Kunkle Valve 0537-E01-HM0030 Valve 320788-704 Maintaining a proper seal is

Maintaining a proper seal is vital for preventing air bypass and ensuring the door safety switch remains engaged during the heating cycle

Engineered with a precision 18-inch diameter and a 26-degree pitch

while still prioritizing domestic hot water production

Durable Construction: Built with high-grade materials to withstand extreme ambient temperatures and UV exposure

Kunkle Valve 0537-E01-HM0030 Valve 320788-704 Maintaining a proper seal isThe 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