{"title":"Amtrol","description":"\u003cp\u003eShop Amtrol expansion tanks, Well-X-Trol pressure tanks, and water system components at New England Supply House. Amtrol — a Worthington Industries brand — invented the modern diaphragm expansion tank and remains the leading manufacturer of hydronic heating expansion tanks and well pressure tanks in North America.\u003c\/p\u003e\u003cp\u003eTheir Extrol series expansion tanks are the standard choice for closed hydronic heating systems, and their Well-X-Trol tanks are widely specified for well water pressure systems. Our Amtrol inventory includes Extrol and Fill-Trol expansion tanks in residential and commercial sizes, Well-X-Trol pressure tanks, and replacement components. Plumbing and HVAC contractors throughout New England rely on Amtrol for quality pressure and expansion tank solutions.\u003c\/p\u003e","products":[{"product_id":"amtrol-700-30-air-vent","title":"Amtrol 700-30 Air Vent","description":"\u003cdiv\u003e\n\u003cp\u003eThe Amtrol 700-30 Air Vent is a reliable float-type air vent designed for heating systems. Engineered for automatic air removal, this compact vent helps keep hydronic circuits running smoothly by venting trapped air as the system heats and circulates.\u003c\/p\u003e\n\u003cp\u003eWith a 1\/8 inch inlet, the Amtrol 700-30 fits standard piping and integrates easily into most boilers and radiant-heating setups. It’s ideal for residential and light commercial heating systems where consistent air management is crucial for efficiency, reliable circulation, and quieter operation.\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eType: Float-type air vent for automatic air removal\u003c\/li\u003e \u003cli\u003eInlet size: 1\/8 inch, compatible with standard piping\u003c\/li\u003e \u003cli\u003eApplication: Heating systems, including boilers and hydronic circuits\u003c\/li\u003e \u003cli\u003eHelps prevent air locks, improving efficiency and reducing pump noise\u003c\/li\u003e \u003cli\u003eEasy installation and low-maintenance operation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47601949999326,"sku":"91","price":16.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00379540_c5eacbb2-9872-4738-8618-f24ea5fcaea2.jpg?v=1765809425"},{"product_id":"amtrol-701-30-air-vent","title":"Amtrol 701-30 Air Vent","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cb\u003eAmtrol 701-30 Air Vent\u003c\/b\u003e is a float-type air vent designed for heating systems. Featuring a 1\/4 inch inlet, it installs quickly on standard piping and delivers reliable air removal to keep hydronic loops flowing smoothly. This air vent helps prevent air locks in boilers and radiant heating configurations, improving system efficiency and long-term performance.\u003c\/p\u003e \u003cp\u003eEngineered for steady operation, the Amtrol 701-30 is ideal for residential and light commercial heating applications where minimizing trapped air matters. The compact inline design fits tight spaces and works with existing fittings, making retrofit or new installations straightforward.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cb\u003eFloat-type air vent\u003c\/b\u003e for consistent air removal\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eInlet size 1\/4 inch\u003c\/b\u003e supports easy installation on standard piping\u003c\/li\u003e \u003cli\u003eSuitable for heating systems, including boilers and hydronic circuits\u003c\/li\u003e \u003cli\u003eCompact inline form factor for flexible mounting\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47601991581918,"sku":"102426","price":19.13,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00379546_4a773108-63f5-4524-8786-3e3e9a685943.jpg?v=1765820455"},{"product_id":"amtrol-109-15-boiler-system-expansion-tank-fill-valve","title":"Amtrol 109-15 Boiler System Expansion Tank Fill Valve","description":"\u003cdiv\u003e\n\u003cp\u003eThe \u003cb\u003eAmtrol 109-15 Boiler System Expansion Tank Fill Valve\u003c\/b\u003e is an automatic fill valve that ensures your boiler system expansion tank stays properly pressurized. Designed for reliable operation, this valve is used on boiler system expansion tanks and is compatible with Fill-Trol systems to maintain safe, steady heating performance.\u003c\/p\u003e \u003cp\u003eIdeal for residential and light commercial heating systems, this Amtrol replacement part provides consistent water feed, minimizes air intrusion, and supports efficient boiler operation. It is built to fit standard expansion tank configurations and works as a trusted component in Fill-Trol setups.\u003c\/p\u003e \u003cul\u003e \u003cli\u003eAutomatic fill valve for boiler systems\u003c\/li\u003e \u003cli\u003eCompatible with boiler system expansion tanks and Fill-Trol\u003c\/li\u003e \u003cli\u003eDurable construction for long-lasting use\u003c\/li\u003e \u003cli\u003eEasy installation with standard fittings\u003c\/li\u003e \u003cli\u003eHelps maintain consistent system pressure and reliable hot water supply\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eKeep your heating system performing at its best with the dependable Amtrol 109-15 Fill Valve. This trusted auto-fill solution helps prevent boiler stress, reduces maintenance calls, and ensures steady hot water delivery across seasons.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47604943192286,"sku":"61","price":70.34,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00379533_90cf304a-df51-4c44-850b-c380de83da55.jpg?v=1765809354"},{"product_id":"amtrol-443-hydronic-expansion-tank-air-purger","title":"Amtrol 443 Hydronic Expansion Tank Air Purger","description":"\u003cdiv\u003e\n\u003cp\u003eThe Amtrol 443 Hydronic Expansion Tank Air Purger is engineered for efficient air removal in hydronic systems. This in-line air vent combines an air purger and an automatic float vent to help maintain optimal circulation, reduce noise, and extend system life in residential or commercial hydronic heating setups.\u003c\/p\u003e \u003cp\u003eDesigned for easy integration with a 1 inch nominal size and female threaded end connections, the unit fits compact spaces in expansion tanks and heating loops. Built with a durable cast iron body, it withstands demanding temperatures and pressure in everyday installations.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cb\u003eIn-Line design:\u003c\/b\u003e Type In-Line with Female Threaded ends; 1 Inch nominal size for straightforward installation.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eRugged construction:\u003c\/b\u003e Cast iron body rated for 100 PSIG and up to 240 degrees Fahrenheit.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eIntegrated air management:\u003c\/b\u003e Air Purger plus Automatic Float Vent for continuous air removal.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eCompact footprint:\u003c\/b\u003e End-to-end distance of 4 inches for tight spaces in hydronic heating systems.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eCertified quality:\u003c\/b\u003e Suitable for expansion tanks and hydronic loops; IAPMO listed and ISO 9001\/2008 compliant.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eKeep your hydronic heating system running smoothly with reliable air elimination and long-term performance.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47604943487198,"sku":"80","price":35.86,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00379537_9d22d0a6-4c1b-4366-a191-f33d0df61c82.jpg?v=1765809395"},{"product_id":"amtrol-444-hydronic-expansion-tank-air-purger","title":"Amtrol 444 Hydronic Expansion Tank Air Purger","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cb\u003eHydronic Expansion Tank Air Purger\u003c\/b\u003e is an essential inline air management device for hydronic heating systems. The Amtrol 444 line delivers reliable air removal with an integrated air purger and automatic float vent, keeping your loop free of air pockets and improving efficiency.\u003c\/p\u003e \u003cp\u003eDesigned for compact in-line installation, it features a 1-1\/4 inch nominal size, \u003cb\u003efemale threaded end connections\u003c\/b\u003e, and a 4 inch end-to-end distance, making retrofits straightforward in tight spaces. The durable cast iron body withstands demanding conditions with a 100 PSIG pressure rating and a 240°F temperature rating, ensuring long service life in everyday heating operations. This unit is ideal for \u003cb\u003ehydronic heating systems\u003c\/b\u003e, \u003cb\u003eexpansion tanks\u003c\/b\u003e, and \u003cb\u003eautomatic air vents\u003c\/b\u003e, helping to prevent air binding, improve pump performance, and reduce noise.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cb\u003eIn-Line installation\u003c\/b\u003e for easy retrofits\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eNominal Size:\u003c\/b\u003e 1-1\/4 inch\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eEnd Connections:\u003c\/b\u003e Female Threaded\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eEnd-to-End Distance:\u003c\/b\u003e 4 inches\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eBody:\u003c\/b\u003e Cast Iron for durability\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003ePressure Rating:\u003c\/b\u003e 100 PSIG\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eTemperature Rating:\u003c\/b\u003e 240°F\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eIncludes:\u003c\/b\u003e Air Purger and Automatic Float Vent\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eApplications:\u003c\/b\u003e Hydronic Heating System, Expansion Tank, Automatic Air Vent\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eStandards:\u003c\/b\u003e IAPMORT, ISO 9001\/2008\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47604943585502,"sku":"81","price":35.86,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00379538_77deca12-4f25-426c-bde2-d327eca33d18.jpg?v=1765809399"},{"product_id":"amtrol-110-hydronic-expansion-tank","title":"Amtrol 110 Hydronic Expansion Tank","description":"\u003cdiv\u003e\n\u003cp\u003eAmtrol 110 Hydronic Expansion Tank ensures reliable pressure control in closed, non-potable hydronic heating systems. The in-line design blends a \u003cb\u003eurethane top coated steel\u003c\/b\u003e body with a \u003cb\u003eheavy-duty Butyl\/EPDM diaphragm\u003c\/b\u003e for long-lasting performance.\u003c\/p\u003e\n\u003cp\u003eRated for up to \u003cb\u003e240°F\u003c\/b\u003e and \u003cb\u003e100 PSIG\u003c\/b\u003e, this tank measures \u003cb\u003e11 in. diameter\u003c\/b\u003e by \u003cb\u003e16 in. high\u003c\/b\u003e and holds \u003cb\u003e4.4 gallons\u003c\/b\u003e. It arrives factory pre-charged at \u003cb\u003e12 PSIG\u003c\/b\u003e and uses \u003cb\u003e1\/2 in. male thread\u003c\/b\u003e inlet\/outlet connections. Lead-free construction, along with \u003cb\u003eIAPMO R\u0026amp;T\u003c\/b\u003e and \u003cb\u003eISO 9001\u003c\/b\u003e compliance, makes it suitable for modern, code-driven installations. Includes \u003cb\u003eprojection welded air valve\u003c\/b\u003e, \u003cb\u003eautomatic air vent\u003c\/b\u003e, and \u003cb\u003eair purger\u003c\/b\u003e to keep the system air-free.\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eIn-line design for easy installation\u003c\/li\u003e \u003cli\u003eHeavy-duty diaphragm (Butyl\/EPDM) for durability\u003c\/li\u003e \u003cli\u003eFactory pre-charged air at 12 PSIG for quick setup\u003c\/li\u003e \u003cli\u003e4.4 gallon capacity with 11\" x 16\" dimensions\u003c\/li\u003e \u003cli\u003e1\/2\" male thread inlet\/outlet connections for standard piping\u003c\/li\u003e \u003cli\u003eLead-free construction; IAPMO R\u0026amp;T and ISO 9001 compliant\u003c\/li\u003e \u003cli\u003eIncludes projection welded air valve, automatic air vent, and air purger\u003c\/li\u003e \u003cli\u003e5-year tank warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47604943683806,"sku":"50799","price":139.26,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00379531_8415906b-792f-4898-aed3-07fd51d38c36.jpg?v=1765808957"},{"product_id":"amtrol-ex-30-hydronic-expansion-tank","title":"Amtrol EX-30 Hydronic Expansion Tank","description":"\u003cdiv\u003e\n\u003cp\u003eAmtrol EX-30 Hydronic Expansion Tank is designed for reliable pressure management in closed, non-potable hydronic heating systems.\u003c\/p\u003e\n\u003cp\u003eThis in-line expansion tank features a heavy-duty diaphragm of butyl\/EPDM and a factory pre-charged air system for quick setup and dependable operation. With a 4.4 gallon capacity, 11 inch diameter x 16 inch height, it tolerates up to 100 PSIG and 240°F.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cb\u003eCapacity:\u003c\/b\u003e 4.4 gallons\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eDimensions:\u003c\/b\u003e 11\" diameter x 16\" height\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eConnections:\u003c\/b\u003e 1\/2 in male thread on inlet and outlet\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eTank material:\u003c\/b\u003e urethane top-coated steel\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eDiaphragm:\u003c\/b\u003e heavy-duty butyl\/EPDM\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eAir charge:\u003c\/b\u003e factory pre-charged, 12 PSIG\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eInclusions:\u003c\/b\u003e projection welded air valve, automatic air vent, air purger\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eWarranty:\u003c\/b\u003e 5-year\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eLead-free:\u003c\/b\u003e yes\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eStandards:\u003c\/b\u003e IAPMO R\u0026amp;T, ISO 9001\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eApplication:\u003c\/b\u003e closed, non-potable hydronic heating system\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47604943782110,"sku":"76","price":63.96,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00379536_ce40166c-ba31-443d-b574-4b7334dc4811.jpg?v=1765809386"},{"product_id":"amtrol-60-hydronic-expansion-tank","title":"Amtrol 60 Hydronic Expansion Tank","description":"\u003cdiv\u003e\n\u003cp\u003eThe \u003cb\u003eAmtrol 60 Hydronic Expansion Tank\u003c\/b\u003e is an in-line hydronic expansion tank designed for closed-loop heating systems. With a 7.6-gallon capacity, 11-inch diameter and 23-inch height, and 1\/2 inch male threaded connections, it simplifies installation in compact spaces.\u003c\/p\u003e \u003cp\u003eMade from urethane top-coated steel, this tank withstands temperatures up to 240°F and supports up to 100 PSIG. It uses a heavy-duty butyl\/EPDM diaphragm and arrives factory pre-charged at 12 PSIG, ready for standard hydronic setups. This lead-free tank complies with IAPMO R\u0026amp;T and ISO 9001 standards for reliability and safety.\u003c\/p\u003e \u003cp\u003eDesigned for closed, non-potable hydronic heating systems, the Amtrol 60 provides quality air management and long-term performance thanks to integrated features.\u003c\/p\u003e \u003cul\u003e \u003cli\u003eIn-Line design for straightforward plumbing\u003c\/li\u003e \u003cli\u003e7.6 gal capacity with 11\" D x 23\" H dimensions\u003c\/li\u003e \u003cli\u003e1\/2\" male thread inlet\/outlet connections\u003c\/li\u003e \u003cli\u003eTemperature rating: 240°F; Pressure rating: 100 PSIG\u003c\/li\u003e \u003cli\u003eDiaphragm: heavy-duty butyl\/EPDM\u003c\/li\u003e \u003cli\u003eFactory pre-charged air at 12 PSIG\u003c\/li\u003e \u003cli\u003eInclusions: projection welded air valve, automatic air vent, air purger, steel system connection\u003c\/li\u003e \u003cli\u003eLead-free construction; IAPMO R\u0026amp;T and ISO 9001 compliant\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47604943913182,"sku":"87","price":130.74,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00379539_d0113837-81df-4669-9c6f-5a85b4b39e46.jpg?v=1765809411"},{"product_id":"amtrol-90-hydronic-expansion-tank","title":"Amtrol 90 Hydronic Expansion Tank","description":"\u003cdiv\u003e\n\u003cp\u003eAmtrol 90 Hydronic Expansion Tank delivers dependable expansion control for closed, non-potable hydronic heating systems. This in-line hydronic expansion tank features a 14-gallon capacity, a 15\" diameter by 21\" height steel body, and a urethane top coating built to resist corrosion and wear under high temperatures and pressures.\u003c\/p\u003e\n\u003cp\u003eDesigned for long-term reliability, the diaphragm uses heavy-duty Butyl\/EPDM for durable expansion performance. The tank is factory pre-charged with 12 PSIG air, with a 100 PSIG maximum working pressure and a 240°F temperature rating. Inlet\/outlet connections are 1\/2 in. male threaded on both ends.\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eInlet\/Outlet: 1\/2\" male threaded x 1\/2\" male threaded\u003c\/li\u003e \u003cli\u003eTank material: Urethane top-coated steel\u003c\/li\u003e \u003cli\u003eDiaphragm: Heavy-duty Butyl\/EPDM\u003c\/li\u003e \u003cli\u003eAir charge: Factory pre-charged at 12 PSIG\u003c\/li\u003e \u003cli\u003eCapacity and dimensions: 14 gallon, 15\" diameter x 21\" height\u003c\/li\u003e \u003cli\u003eTemperature and pressure: 240°F, 100 PSIG\u003c\/li\u003e \u003cli\u003eIncluded components: Projection welded air valve, automatic air vent, air purger, steel system connection\u003c\/li\u003e \u003cli\u003eLead-free construction and certifications: IAPMO R\u0026amp;T, ISO 9001\u003c\/li\u003e \u003cli\u003eWarranty: 5-year\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47604944044254,"sku":"93","price":224.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00379541_c41696f8-ecb8-4598-b55d-8cd7fc37f9f6.jpg?v=1765809430"},{"product_id":"amtrol-ex-15-hydronic-expansion-tank","title":"Amtrol EX-15 Hydronic Expansion Tank","description":"\u003cdiv\u003e\n\u003cp\u003eThe Amtrol EX-15 Hydronic Expansion Tank is a compact, in-line solution for closed, non-potable hydronic heating systems. With 1\/2 inch male threaded inlet and outlet connections, this tank integrates cleanly into standard piping while delivering reliable expansion control.\u003c\/p\u003e \u003cp\u003eConstructed from urethane-top-coated steel, it withstands up to 240°F and 100 PSIG. Its heavy-duty diaphragm of butyl\/EPDM accommodates thermal expansion with minimal maintenance. The tank ships factory pre-charged at 12 PSIG and includes a projection welded air valve, an automatic air vent, and an air purger to keep the system air-free.\u003c\/p\u003e \u003cp\u003eWith a 2-gallon capacity and dimensions of 8 in. diameter by 13 in. height, the EX-15 is lead-free and covered by a 5-year warranty. It carries IAPMO R\u0026amp;T and ISO 9001 certifications for safety and quality.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cb\u003eIn-line expansion tank design\u003c\/b\u003e for easy installation\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003e1\/2 in. male threaded connections\u003c\/b\u003e match standard piping\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eUrethane top-coated steel\u003c\/b\u003e for durability\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eHeavy-duty diaphragm\u003c\/b\u003e with butyl\/EPDM material\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eFactory pre-charged\u003c\/b\u003e at 12 PSIG\u003c\/li\u003e \u003cli\u003e\u003cb\u003eIncludes air valve, automatic air vent, and air purger\u003c\/b\u003e\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eLead-free construction\u003c\/b\u003e and 5-year warranty\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003e2-gallon capacity\u003c\/b\u003e, 8\" D x 13\" H\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47604944404702,"sku":"70","price":55.03,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00379535_4a083ac9-7a27-470a-a84e-18e427c8c494.jpg?v=1765809369"},{"product_id":"amtrol-109-hydronic-expansion-tank","title":"Amtrol 109 Hydronic Expansion Tank","description":"\u003cdiv\u003e\n\u003cp\u003eAmtrol 109 Hydronic Expansion Tank is a reliable in-line expansion tank designed for closed, non-potable hydronic heating systems. This 2-gallon tank features a urethane top-coated steel body, a heavy-duty Butyl\/EPDM diaphragm, and a factory pre-charged air system for quick setup. With a temperature rating up to 240°F and a pressure rating of 100 PSIG, it provides durable performance in challenging boiler rooms. The 8 inch diameter by 13 inch height tank uses 1\/2\" male thread connections on both inlet and outlet, making it compatible with a wide range of installations.\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eInlet\/Outlet:\u003c\/b\u003e 1\/2\" male thread x 1\/2\" male thread\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTank capacity:\u003c\/b\u003e 2 gallons\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eConstruction:\u003c\/b\u003e Urethane top-coated steel with a heavy-duty Butyl\/EPDM diaphragm\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eAir charge:\u003c\/b\u003e Factory pre-charged at 12 PSIG\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDimensions:\u003c\/b\u003e 8\" diameter x 13\" height\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eApplications:\u003c\/b\u003e Closed, non-potable hydronic heating system\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eIncluded features:\u003c\/b\u003e Projection welded air valve, automatic air vent, air purger, steel system connection\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eStandards \u0026amp; Warranty:\u003c\/b\u003e Lead-free; 5-year warranty; IAPMO R\u0026amp;T, ISO 9001\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47604944470238,"sku":"60","price":96.77,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00356559_e60a6914-6150-4825-a5eb-d42e25c57d8b.jpg?v=1765809349"},{"product_id":"amtrol-sx30v-hydronic-expansion-tank","title":"Amtrol SX30V Hydronic Expansion Tank","description":"\u003cdiv\u003e\n\u003cp\u003eThe Amtrol SX30V Hydronic Expansion Tank is a durable vertical stand-type expansion tank designed for closed hydronic heating systems. This 14-gallon tank features 1 inch female threaded connections and a heavy-duty butyl\/EPDM diaphragm, paired with factory pre-charged air for quick, reliable setup.\u003c\/p\u003e\n\u003cp\u003eSpecifications at a glance: 15\" diameter x 25\" height, temperature rating 240°F, and pressure rating 100 PSIG, with lead-free construction. The unit is designed for vertical installation and includes a projection welded air valve, automatic air vent, air purger, and a steel system connection for a complete, ready-to-install solution.\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eVertical stand-type design for space-saving installation\u003c\/li\u003e \u003cli\u003e14 gallon capacity with 15\" D x 25\" H dimensions\u003c\/li\u003e \u003cli\u003eInlet\/Outlet: 1\" female threaded x 1\" female threaded\u003c\/li\u003e \u003cli\u003eTemperature rating up to 240°F; pressure rating up to 100 PSIG\u003c\/li\u003e \u003cli\u003eFactory pre-charged air at 12 PSIG for fast setup\u003c\/li\u003e \u003cli\u003eHeavy-duty butyl\/EPDM diaphragm; lead-free construction\u003c\/li\u003e \u003cli\u003eIncludes welded air valve, automatic air vent, and air purger\u003c\/li\u003e \u003cli\u003eMeets IAPMO R \u0026amp; T and ISO 9001 standards; suitable for closed, non-potable hydronic systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47604944535774,"sku":"13607","price":273.62,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00379543_7c4cd19a-db7a-4869-a181-014517b6f31a.jpg?v=1765811955"},{"product_id":"amtrol-sx40v-hydronic-expansion-tank","title":"Amtrol SX40V Hydronic Expansion Tank","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cb\u003eAmtrol SX40V Hydronic Expansion Tank\u003c\/b\u003e is designed to manage pressure expansion in closed-loop heating systems. The SX40V floor-mount expansion tank delivers dependable performance for residential and light commercial applications, featuring a floor-mount design and a 1\" NPTF threaded connection for straightforward installation. It helps absorb water expansion, protects boilers and circulators, and supports stable temperatures in hydronic heating, radiant floor, and other closed-loop systems.\u003c\/p\u003e \u003cp\u003ePerfect for radiant floor heating and general hydronic installations, this tank provides reliable pressure control, reduces pump cycling, and extends the life of your boiler and controls in both new builds and upgrades.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cb\u003eFloor-mount installation\u003c\/b\u003e for flexible placement\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003e1\" NPTF threaded connection\u003c\/b\u003e fits standard piping\u003c\/li\u003e \u003cli\u003eDurable steel shell with protective finish for longevity\u003c\/li\u003e \u003cli\u003eAbsorbs water expansion and stabilizes system pressure\u003c\/li\u003e \u003cli\u003eSuitable for residential and light commercial hydronic heating\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47604944634078,"sku":"57262","price":308.58,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00379552_3f22eb1d-b822-429b-9261-9fdcc5633537.jpg?v=1765823535"},{"product_id":"amtrol-sx60v-hydronic-expansion-tank","title":"Amtrol SX60V Hydronic Expansion Tank","description":"\u003cdiv\u003e\n\u003cp\u003eAmtrol SX60V Hydronic Expansion Tank is a stand-type vertical expansion reservoir engineered for closed, non-potable hydronic heating systems. With a 32-gallon capacity and a 15-inch diameter by 48-inch height, it delivers reliable pressure control in tight spaces. The inlet\/outlet connections are 1 inch female threaded, compatible with standard piping.\u003c\/p\u003e\n\u003cp\u003eConstructed from urethane top-coated steel, this tank is rated to 240°F and 100 PSIG, and uses a heavy-duty butyl\/EPDM diaphragm for durable, long-lasting performance. Factory pre-charged air at 12 PSIG simplifies setup, while included features — projected welded air valve, automatic air vent, air purger, and steel system connection — ensure efficient air management and minimal maintenance.\u003c\/p\u003e\n\u003cp\u003eIdeal for closed, non-potable hydronic heating systems, the SX60V combines robust construction with reliable standards and safety. It is lead-free and certified to IAPMO R\u0026amp;T and ISO 9001, offering confidence for both residential and light commercial installations. A 1-year warranty provides additional peace of mind.\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e32-gallon capacity\u003c\/li\u003e \u003cli\u003eVertical stand-type design\u003c\/li\u003e \u003cli\u003eInlet\/outlet 1\" female threaded connections\u003c\/li\u003e \u003cli\u003eUrethane top-coated steel construction\u003c\/li\u003e \u003cli\u003eHeavy-duty butyl\/EPDM diaphragm\u003c\/li\u003e \u003cli\u003eFactory pre-charged air at 12 PSIG\u003c\/li\u003e \u003cli\u003eRated 240°F and 100 PSIG\u003c\/li\u003e \u003cli\u003eIncludes projected welded air valve, automatic air vent, air purger, steel system connection\u003c\/li\u003e \u003cli\u003eLead-free; IAPMO R\u0026amp;T and ISO 9001 certified\u003c\/li\u003e \u003cli\u003e1-year warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47604945158366,"sku":"100","price":434.86,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00379549_958d02de-0f62-49c1-9be8-5dad40445882.jpg?v=1765820770"},{"product_id":"amtrol-sx90v-hydronic-expansion-tank","title":"Amtrol SX90V Hydronic Expansion Tank","description":"\u003cdiv\u003e\n\u003cp\u003eThe Amtrol SX90V Hydronic Expansion Tank is a vertical stand-type solution designed for reliable closed hydronic heating systems. This 44-gallon unit features a 22-inch diameter and 36-inch height, providing robust thermal expansion capacity for residential and light commercial installations. The tank uses a urethane top-coated steel shell and a heavy-duty Butyl\/EPDM diaphragm rated up to 240°F and 100 PSIG.\u003c\/p\u003e \u003cp\u003eDesigned for a closed, non-potable hydronic heating system, this expansion tank ships factory pre-charged with air at 12 PSIG. It combines lead-free construction with calibrated air charge management to maintain system pressure and extend component life. Includes a projection welded air valve, automatic air vent, air purger, and steel system connection for simple, ready-to-install integration.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cb\u003eInlet\/Outlet:\u003c\/b\u003e 1-1\/4\" female threaded connections (both inlet and outlet).\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eDiaphragm:\u003c\/b\u003e Heavy-duty Butyl\/EPDM; lead-free.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eAir charging:\u003c\/b\u003e Factory pre-charged at 12 PSIG; includes air vent and air purger.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eCapacity \u0026amp; dimensions:\u003c\/b\u003e 44 gallon capacity; 22\" diameter x 36\" height.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eRatings:\u003c\/b\u003e 100 PSIG and 240°F maximums; designed for closed, non-potable hydronic systems.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eIncludes \u0026amp; standards:\u003c\/b\u003e Projection Welded Air Valve, Automatic Air Vent, Air Purger, Steel System Connection; IAPMO R\u0026amp;T, ISO 9001; lead-free.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eWarranty:\u003c\/b\u003e 1-year warranty.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47604945223902,"sku":"101","price":761.62,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00379551_246dc5e2-beff-45ab-8cc0-9870067ac44f.jpg?v=1765820775"},{"product_id":"amtrol-st-5-thermal-expansion-tank","title":"Amtrol ST-5 Thermal Expansion Tank","description":"\u003cdiv\u003e\n\u003cp\u003eThe Amtrol ST-5 Thermal Expansion Tank is an in-line device designed for closed potable water systems. This Amtrol ST-5 Thermal Expansion Tank is a 2-gallon, pre-charged unit offering reliable expansion control with a heavy-duty butyl diaphragm and antimicrobial lining.\u003c\/p\u003e \u003cp\u003eConstructed with urethane top-coated steel and an antimicrobial inner lining, it resists corrosion while delivering dependable performance in potable water applications. It features 1-1\/4\" female threaded inlet and outlet connections, and is rated for temperatures up to 200°F and pressures up to 150 PSIG.\u003c\/p\u003e \u003cul\u003e \u003cli\u003eIn-Line thermal expansion tank for closed potable water systems\u003c\/li\u003e \u003cli\u003e2 gallon capacity; 8\" diameter x 13\" height\u003c\/li\u003e \u003cli\u003eInlet\/Outlet connections: 1-1\/4\" female threaded x 1-1\/4\" female threaded\u003c\/li\u003e \u003cli\u003eTank material: urethane top-coated steel; antimicrobial inner lining\u003c\/li\u003e \u003cli\u003eDiaphragm: heavy-duty butyl; factory pre-charged air at 50 PSIG\u003c\/li\u003e \u003cli\u003eTemperature rating: 200°F; Pressure rating: 150 PSIG\u003c\/li\u003e \u003cli\u003eIncludes: projection welded air valve, turbulator water circulator, stainless steel system connection\u003c\/li\u003e \u003cli\u003eLead-free; NSF\/ANSI 61; IAPMO R\u0026amp;T; ISO 9001\u003c\/li\u003e \u003cli\u003eWarranty: 5-year\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47604945354974,"sku":"35238","price":70.93,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00379532_316b3937-1d64-4dc2-95ab-189ea50f06c9.jpg?v=1765808447"},{"product_id":"amtrol-st-12-thermal-expansion-tank","title":"Amtrol ST-12 Thermal Expansion Tank","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cb\u003eThe Amtrol ST-12 Thermal Expansion Tank\u003c\/b\u003e is designed for closed potable water systems and delivers reliable protection against pressure fluctuations in an efficient in-line format. This tank combines a heavy-duty butyl diaphragm with an antimicrobial inner lining, ensuring durable performance and cleaner water over time.\u003c\/p\u003e \u003cp\u003eWith 3\/4 inch female threaded inlet\/outlet connections, a 4.4 gallon capacity, and factory pre-charged air, the ST-12 supports steady operation under demanding conditions. The urethane top-coated steel shell adds ruggedness, while the stainless steel system connection and turbulator water circulator help maintain system efficiency.\u003c\/p\u003e \u003cul\u003e \u003cli\u003eHeavy-duty butyl diaphragm for long life\u003c\/li\u003e \u003cli\u003eFactory pre-charged air at 50 PSIG\u003c\/li\u003e \u003cli\u003eUrethane top-coated steel tank with antimicrobial inner lining\u003c\/li\u003e \u003cli\u003e3\/4\" female threaded inlet\/outlet connections\u003c\/li\u003e \u003cli\u003e4.4 gallon capacity; compact 11\" diameter x 15\" height\u003c\/li\u003e \u003cli\u003ePressure rating 150 PSIG and temperature rating 200°F\u003c\/li\u003e \u003cli\u003eProjection welded air valve, turbulator water circulator, and stainless steel system connection\u003c\/li\u003e \u003cli\u003eLead-free construction; NSF\/ANSI 61, IAPMO R and T, ISO 9001 compliant\u003c\/li\u003e \u003cli\u003eWarranty: 5 years\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47604945453278,"sku":"99","price":96.34,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00379542_e271275e-ba45-4423-bcc6-d45c36b5cde5.jpg?v=1765809459"},{"product_id":"amtrol-st-25v-thermal-expansion-tank","title":"Amtrol ST-25V Thermal Expansion Tank","description":"\u003cdiv\u003e\n\u003cp\u003eThe Amtrol ST-25V Thermal Expansion Tank is a vertical, stand-type expansion solution designed for closed potable water systems. With a 10.3 gallon capacity and a 15\" diameter by 19\" height footprint, it accommodates thermal expansion while keeping system pressure stable. It features 3\/4\" female threaded inlet and outlet connections, a factory pre-charged air valve at 40 PSIG, and a heavy-duty butyl diaphragm for long-lasting performance.\u003c\/p\u003e \u003cp\u003eConstructed with a urethane top-coated steel tank and an antimicrobial inner lining, the ST-25V protects potable water quality and resists corrosion. It is rated for up to 200°F and 150 PSIG, making it suitable for most closed potable water configurations. The inclusion of a projection welded air valve, turbulator water circulator, and stainless steel system connection ensures reliable operation and easy integration into existing systems. This tank is lead-free and complies with IAPMO R\u0026amp;T, ISO 9001, and NSF\/ANSI 61 standards.\u003c\/p\u003e \u003cp\u003eBacked by a 5-year warranty, the Amtrol ST-25V delivers dependable pressure control, reduced water hammer, and extended plumbing life in domestic and commercial installations.\u003c\/p\u003e \u003cul\u003e \u003cli\u003eCapacity: 10.3 gal\u003c\/li\u003e \u003cli\u003eVertical stand design with 15\" Ø x 19\" H footprint\u003c\/li\u003e \u003cli\u003eInlet\/Outlet: 3\/4\" female threaded\u003c\/li\u003e \u003cli\u003eFactory pre-charged air at 40 PSIG\u003c\/li\u003e \u003cli\u003eHeavy-duty butyl diaphragm; antimicrobial tank lining\u003c\/li\u003e \u003cli\u003eIncludes projection welded air valve, turbulator circulator, stainless steel system connection\u003c\/li\u003e \u003cli\u003eTemperature rating: 200°F; Pressure rating: 150 PSIG\u003c\/li\u003e \u003cli\u003eLead-free construction; compliance: IAPMO R\u0026amp;T, ISO 9001, NSF\/ANSI 61\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47604945584350,"sku":"55756","price":313.51,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00379548_24e1f8fa-aab8-4e57-a608-c157f5237306.jpg?v=1765820491"},{"product_id":"amtrol-st-60v-thermal-expansion-tank","title":"Amtrol ST-60V Thermal Expansion Tank","description":"\u003cdiv\u003e\n\u003cp\u003eThe Amtrol ST-60V Thermal Expansion Tank is a vertical stand unit designed for reliable pressure management in closed potable water systems. This 34-gallon tank features 22\" diameter by 30\" height with 3\/4 inch female threaded inlet\/outlet connections for easy integration.\u003c\/p\u003e\n\u003cp\u003eConstructed with a urethane top-coated steel tank and an antimicrobial inner lining, it protects water quality while resisting corrosion. The heavy-duty butyl diaphragm, factory pre-charged air at 40 PSIG, and a temperature rating up to 200°F with a pressure rating up to 150 PSIG ensure durable expansion control in potable applications.\u003c\/p\u003e\n\u003cp\u003eDesigned to meet industry standards, it is IAPMO R\u0026amp;T and NSF\/ANSI 61 compliant, ISO 9001 certified, and lead-free. The closed potable water system benefits from built-in features like a projection welded air valve, turbulator water circulator, and stainless steel system connection.\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e3\/4\" female threaded inlet\/outlet connections\u003c\/li\u003e \u003cli\u003e34-gallon capacity; 22\" diameter x 30\" height\u003c\/li\u003e \u003cli\u003eHeavy-duty butyl diaphragm; factory pre-charged air 40 PSIG\u003c\/li\u003e \u003cli\u003eAntimicrobial inner lining; urethane top-coated steel tank\u003c\/li\u003e \u003cli\u003eProjection welded air valve, turbulator water circulator, stainless steel system connection\u003c\/li\u003e \u003cli\u003eLead-free; NSF\/ANSI 61 compliant; IAPMO R\u0026amp;T; ISO 9001\u003c\/li\u003e \u003cli\u003e1-year warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47604945813726,"sku":"97108","price":607.28,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00379534_2eb83732-26b7-416e-b080-3c04db4cdfe5.jpg?v=1765809360"},{"product_id":"amtrol-2704-392-water-heater-aquastat-retrofit-kit","title":"Amtrol 2704-392 Water Heater Aquastat Retrofit Kit","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cb\u003eWater Heater Aquastat Retrofit Kit\u003c\/b\u003e from Amtrol offers reliable control for indirect fired water heaters. This Amtrol 2704-392 Water Heater Aquastat Retrofit Kit is designed to retrofit your existing system and restore precise temperature management.\u003c\/p\u003e \u003cp\u003eThis retrofit kit fits \u003ci\u003eindirect fired water heaters\u003c\/i\u003e and is compatible with WH-7L and Hot Water Makers brands.\u003c\/p\u003e \u003cp\u003eIdeal replacement for aging aquastats, it offers simple installation, durable construction, and dependable temperature control to optimize hot water comfort and energy use.\u003c\/p\u003e \u003cp\u003eEngineered for compatibility with indirect-fired systems, the Amtrol 2704-392 ensures reliable operation across seasons.\u003c\/p\u003e \u003cul\u003e \u003cli\u003eModel compatibility: WH-7L and Hot Water Makers indirect fired water heaters\u003c\/li\u003e \u003cli\u003eEasy retrofit design for quick installation\u003c\/li\u003e \u003cli\u003eDurable components built for long-term reliability\u003c\/li\u003e \u003cli\u003ePrecise temperature control to improve comfort and efficiency\u003c\/li\u003e \u003cli\u003eReliable performance across varying water demand\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhether you're upgrading an aging system or replacing a failed aquastat, this kit provides a secure wiring harness, compatible controls, and factory-tested performance.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47604946141406,"sku":"109784","price":351.29,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00379545_e76f4124-19cc-4f99-8032-17e98cb1cc93.jpg?v=1765819887"},{"product_id":"amtrol-940r101-water-heater-digital-temperature-control-and-panel","title":"Amtrol 940R101 Water Heater Digital Temperature Control and Panel","description":"\u003cdiv\u003e\n\u003cp\u003eAmtrol 940R101 Water Heater Digital Temperature Control and Panel is engineered to provide precise temperature management for indirect-fired water heaters. This replacement control is designed for easy installation and reliable operation, delivering steady hot water in Boilermate and hot water maker systems. Compatible with WH\/CH Boilermate models, it streamlines setpoint adjustments and monitoring for consistent performance.\u003c\/p\u003e \u003cp\u003eThis control panel simplifies maintenance, supports precise temperature setpoints, helps optimize energy use, and provides clear diagnostics for error detection. Built to endure the demands of indirect-fired systems, it integrates with Boilermate, WH\/CH, and related hot water maker configurations, delivering dependable temperature control and transparent system visibility.\u003c\/p\u003e \u003cul\u003e \u003cli\u003ePrecise temperature control tailored for indirect-fired water heaters\u003c\/li\u003e \u003cli\u003eEasy-to-read digital display with clear setpoint readouts\u003c\/li\u003e \u003cli\u003eSeamless compatibility with WH\/CH Boilermate and hot water maker systems\u003c\/li\u003e \u003cli\u003eDurable, temperature-stable panel designed for long-term use\u003c\/li\u003e \u003cli\u003eFast, simple installation with minimal wiring adjustments\u003c\/li\u003e \u003cli\u003eEnergy-efficient operation that reduces standby heat loss\u003c\/li\u003e \u003cli\u003eBuilt-in diagnostics to help catch faults early\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eUpgrade your hot water system with this robust Amtrol controller for consistent performance and peace of mind.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47604946206942,"sku":"65928","price":424.43,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00341206_affcac8b-09cc-41c0-8b27-1e507efd628e.jpg?v=1765808369"},{"product_id":"amtrol-2704-093-water-heater-mechanical-aquastat-temperature-control","title":"Amtrol 2704-093 Water Heater Mechanical Aquastat Temperature Control","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cb\u003eWater Heater Mechanical Aquastat Temperature Control\u003c\/b\u003e from Amtrol delivers reliable temperature regulation for indirect fired water heaters. The Amtrol 2704-093 mechanical aquastat control is designed to monitor and regulate temperature with a straightforward mechanical design.\u003c\/p\u003e \u003cp\u003eIt is used on models WH-10, HM-41, HM-80, HYDROMAX, and Hot Water Makers, showing broad compatibility across common indirect fired water heating configurations. This compatibility enhances maintenance and inventory management for technicians, making parts selection easier across multiple brands.\u003c\/p\u003e \u003cp\u003eDesigned for service in indirect fired configurations, this control supports dependable temperature management across compatible installations. This part is a valuable asset for keeping hot water systems ready for service.\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003eWH-10 compatibility for WH-10 indirect-fired installations\u003c\/li\u003e\n\u003cli\u003eHM-41 compatibility across HM-41 equipment\u003c\/li\u003e\n\u003cli\u003eHM-80 compatibility for HM-80 configurations\u003c\/li\u003e\n\u003cli\u003eHYDROMAX compatibility with HYDROMAX models\u003c\/li\u003e\n\u003cli\u003eHot Water Makers compatibility for Hot Water Makers setups\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eThis Amtrol component is the 2704-093 mechanical aquastat temperature control designed for use with indirect fired water heaters and the listed brands.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47604946338014,"sku":"50941","price":175.26,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00379561_294c4bdd-7dc7-4307-bc7f-6ef797bc7694.jpg?v=1765809254"},{"product_id":"amtrol-109-1","title":"Amtrol 109-1 Fill-Trol Tank","description":"\u003cdiv\u003e\n\u003cp\u003eAmtrol 109-1 is a dependable Fill-Trol Tank featuring a 1\/2\" NPTF connection, designed to provide automatic water-fill control for residential, commercial, and industrial applications. The unit includes a built-in Fill-Trol valve, delivering precise pressure regulation and a steady water supply while protecting fixtures from pressure surges. Built with Amtrol’s trusted materials, this tank withstands daily use and resists corrosion in cold-water environments. Its compact footprint simplifies retrofits and enables quick integration with standard backflow prevention devices and existing piping, making it a practical upgrade for well or municipal water systems.\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003e1\/2\" NPTF connection\u003c\/b\u003e for easy, secure installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eIncludes Fill-Trol valve\u003c\/b\u003e for automatic fill control.\u003c\/li\u003e\n\u003cli\u003eDurable construction designed for long service life in cold-water systems.\u003c\/li\u003e\n\u003cli\u003eCompatible with typical water systems, backflow preventers, and shutoff valves.\u003c\/li\u003e\n\u003cli\u003eShips by ground service to ensure safe delivery.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47604946370782,"sku":"44393","price":120.23,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00379547_9b0e0976-0e98-4d14-8e8e-be6c963235be.jpg?v=1765812087"},{"product_id":"amtrol-2500-218","title":"Amtrol 2500-218 Flange Gasket","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cb\u003eAmtrol 2500-218\u003c\/b\u003e is a durable flange gasket designed for WH7\/9 Series Boilermate tanks.\u003c\/p\u003e\n\u003cp\u003eThis reliable flange gasket serves as a replacement for 2704-403 and 392932, ensuring a precise fit and leak-free operation.\u003c\/p\u003e\n\u003cp\u003eEngineered for long-lasting performance, the Amtrol 2500-218 flange gasket delivers a tight seal under high temperatures and pressure, helping maintain system efficiency and safety.\u003c\/p\u003e\n\u003cp\u003eDesigned to meet industry standards, the Amtrol 2500-218 flange gasket resists wear and deformation, providing dependable sealing in fluctuating temperatures and pressure conditions across residential and light commercial Boilermate installations.\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003eCompatible with WH7\/9 Series Boilermate tanks for straightforward upgrades and reliable performance\u003c\/li\u003e\n\u003cli\u003eReplaces part numbers 2704-403 and 392932, ensuring seamless compatibility with older systems\u003c\/li\u003e\n\u003cli\u003eDurable gasket material delivers long-lasting seals under high heat and pressure\u003c\/li\u003e\n\u003cli\u003eEasy installation with a standard flange profile minimizes downtime during service\u003c\/li\u003e\n\u003cli\u003eSupports system efficiency and extends Boilermate tank life through reliable sealing\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eChoose Amtrol 2500-218 for an economical, reliable sealing solution in Boilermate installations.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47604946436318,"sku":"99649","price":10.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00341214_8a87486f-ed6d-46d4-adfb-3ff619f85f22.jpg?v=1765815540"}],"url":"https:\/\/newenglandsupplyhouse.com\/collections\/amtrol-hvac-parts.oembed","provider":"New England Supply House","version":"1.0","type":"link"}