Heavy Load Startup: Supports a 1
Common Questions: What does it mean when my Modine heater flashes three lights
Its cast iron construction and internal chemistry-resistant components make it a reliable choice for closed-loop hydronic heating systems
covering standard 208/230V residential and commercial equipment
Cross-reference the part number found on your unit's data plate or existing wiring labels with the S1-025-41334-000 specifications to ensure a match
Kunkle Valve 0537-H01-HM0075 Valve 318172-701 Heavy Load Startup: Supports aThe 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