Built for high-frequency cycling

ensuring that your HVAC replacement parts maintain consistent performance throughout the heating season

maintaining precise communication with the blower motor and gas valve

The 14004898-003 is technically identical to the 14004898-003/U model

Always verify compatibility with your specific controller or starter to ensure proper operation

Kunkle Valve 0537-G01-HM0030 Relief Valve Els PW 17895 Built for high-frequency cyclingThe Kunkle Valve 0537 G01 HM0030 (also identified as 537 G01 HM0030) is a heavy duty, direct spring ASME Section IV relief valve designed specifically for low pressure hot water boilers, heat exchangers, and generators. This 1 1 2" x 2" boiler safety valve features an extra heavy bronze body and a B584 alloy 8440 seat, providing reliable overpressure protection. It is National Board certified with an "HV" designator, delivering a steam capacity of