Kunkle Valve 0537-E01-HM0030 Valve R-410A Constructed with a lead-free brass

Constructed with a lead-free brass body and featuring a built-in stainless steel strainer

Key Benefits for the Job Site Universal Thermostat Integration: Dedicated C-terminals provide stable power for WiFi thermostats without the need for external resistors or "add-a-wire" kits

Robust Switching Capacity: Rated for 20 Amp resistive loads and high-horsepower motor applications

the 1/2" conduit enclosure protects internal components and simplifies wiring for professional installers

This liquid propane pilot orifice is a direct match for the Y90HC-9733 and 9733-410 assemblies

Kunkle Valve 0537-E01-HM0030 Valve R-410A Constructed with a lead-free brassThe Kunkle Valve 0537 E01 HM0030 (also identified as 537 E01 HM0030) is a high capacity hot water boiler pressure relief valve engineered for ASME Section IV and ASME Section XIII compliance. Designed specifically for low pressure steam and hot water heating systems, this bronze safety relief valve features a 1" Female NPT inlet and a 1 1 4" Female NPT outlet. With a set pressure of 30 PSI, it supports a significant discharge capacity of 1,649 lb h