Technical accuracy and HVAC replacement part compatibility are guaranteed

eliminating soot buildup and unstable pilot flames

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

this 4-blade assembly is designed for CW rotation (clockwise) to maintain critical airflow across condenser coils or within agricultural ventilation systems

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

Watts 0342691 Relief Valve Technical accuracy and HVAC replacementThe 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