Amtrol 109 Hydronic Expansion Tank

Amtrol 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.

• Inlet/Outlet: 1/2" male thread x 1/2" male thread
• Tank capacity: 2 gallons
• Construction: Urethane top-coated steel with a heavy-duty Butyl/EPDM diaphragm
• Air charge: Factory pre-charged at 12 PSIG
• Dimensions: 8" diameter x 13" height
• Applications: Closed, non-potable hydronic heating system
• Included features: Projection welded air valve, automatic air vent, air purger, steel system connection
• Standards & Warranty: Lead-free; 5-year warranty; IAPMO R&T, ISO 9001