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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
If the capacitance drifts significantly from this range
We always recommend inspecting the inducer motor gasket and drain hoses during this repair
Kunkle Valve 0537-D01-HM0040 Valve 321894-709 This unit is designed forThe 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
