Watts 740-3/4-30 Boiler Pressure Relief Valve

Watts 740-3/4-30 Boiler Pressure Relief Valve is a trusted safety device for hot water heating boilers. This lever-type valve provides reliable overpressure protection with a 3/4" inlet and 1" outlet, built around a durable iron body and stainless steel spring for long service life. The combination of a metal seat and non-metallic disc delivers dependable sealing and smooth relief action at the set pressure.

• Inlet / Outlet: 3/4" inlet, 1" outlet; End connection: Female threaded x Female threaded.
• Materials: Iron body; Stainless steel spring; Metal seat; Non-metallic disc.
• Performance: Set pressure range 30 PSI; Pressure rating 30–75 PSI; Temperature rating 250°F.
• Application: Hot water heating boiler; Meets ASME NB HV MIL-V-18634B Type I Class 3A Style B standards.
• Capacity & Dimensions: 925,000–1,886,000 BTU/hr; overall dimensions 3" W x 5-5/8" H.
• Inclusions: Seat located above drain; Non-metallic disc to metal seat; Test lever; Expanded outlet.