Watts 0342691 Relief Valve This HVAC service valve is

This HVAC service valve is engineered for high-pressure R-410A applications

a "bulged" or swollen capacitor top

the Maxitrol manual shutoff is compatible with natural

Its rugged construction facilitates more accurate flame sensing and longer service life compared to standard residential alternatives

Watts 0342691 Relief Valve This HVAC service valve isThe Watts 0342691 (Model 335M2) is a high capacity boiler pressure relief valve engineered for hydronic heating systems and low pressure steam applications. Featuring a 3 4" female NPT inlet and 3 4" female NPT outlet, this ASME Section IV rated safety valve is factory set to 30 PSI, providing critical overpressure protection for residential and light commercial boilers. With a steam discharge capacity of 510,000 BTU hr, it serves as the direct