Kunkle Valve 0537-H01-HM0075 Valve 320074-702 Durable Probe Construction: The 5-inch

Durable Probe Construction: The 5-inch probe is designed to withstand high-velocity air streams and frequent thermal cycling in HVAC heating systems

OEM Compatibility: An identical replacement for model HC52AE208A

While designed for a range of models

this specific 5LAY-03 housing is optimized for the M and MH chassis

Automatic mode resets the unit once the bimetal strips cool down

Kunkle Valve 0537-H01-HM0075 Valve 320074-702 Durable Probe Construction: The 5-inchThe Kunkle Valve 0537 H01 HM0075 is a high capacity ASME Section IV pressure relief valve designed specifically for hot water boilers, heat exchangers, and generators. Featuring a 2" Female NPT inlet and a 2 1 2" Female NPT outlet, this Model 537 valve is factory set at 75 PSI to handle demanding thermal expansion and over firing conditions. With a rated capacity of 11,960 lb h (PPH) or 11,959,631 BTU h, it provides critical overpressure protection by