eliminating soot buildup and unstable pilot flames

it’s a safety hazard and a bottleneck for service speed

preventing heat exchanger damage and potential fire hazards

Critical Safety: Acts as a primary hi-limit safety control to interrupt power to the heating element when dangerous temperatures are detected

Watts 0342691 Relief Valve eliminating soot buildup and unstableThe 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