Designed for heavy-duty HVAC service and repair

As a genuine OEM York heating part

this 55 mm frame size component provides Class 10A trip characteristics

a flow of 4 SCFM is sufficient

Kunkle Valve 0537-D01-HM0160 Valve 319852-301 Designed for heavy-duty HVAC serviceThe Kunkle Valve 0537 D01 HM0160 is a high capacity ASME Section IV pressure relief valve specifically engineered for low pressure hot water boilers, heat exchangers, and steam generators. This National Board certified relief valve features a 3 4 inch FNPT inlet and a 1 inch FNPT outlet, factory set at a precise 160 PSI discharge threshold. Built with an extra heavy bronze body (B584 alloy 84400), it utilizes a top guided disc assembly with a