Kunkle Valve 0537-D01-HM0040 Valve 321894-709 Robust Construction: Equipped with dual

Robust Construction: Equipped with dual ball bearings and an OAO enclosure for superior heat dissipation and longer service life in blower applications

This unit is designed for durability in demanding environments but is not rated for buried service

or frequent "low flow" lockouts on the control board

What brands are compatible with this Nordyne assembly

Kunkle Valve 0537-D01-HM0040 Valve 321894-709 Robust Construction: Equipped with dualThe Kunkle Valve 0537 D01 HM0040 is a heavy duty ASME Section IV pressure relief valve engineered for critical overpressure protection in low pressure steam and hot water boiler systems. This bronze safety relief valve features a 3 4" female NPT inlet and a 1" female NPT outlet, factory set at 40 PSI to ensure system integrity. With a discharge capacity of 1299 lb h (PPH) or 1,298,696 BTU h, it effectively manages thermal expansion and over firing