Kunkle Valve 0537-H01-HM0125 Valve R-448A a "no heat" call where

a "no heat" call where the inducer fails to spin

the 13K13 and 13K1301 are the same technical part

7 µA minimum) to ensure safe operation

the unit supports both DIN rail mounting and screw-type terminals for secure wire termination

OEM Standards: Ensures HVAC system reliability by meeting the manufacturer's exact electrical resistance and terminal specs

Kunkle Valve 0537-H01-HM0125 Valve R-448A a "no heat" call whereThe Kunkle Valve 0537 H01 HM0125 (also identified as 537 H01 HM0125) is a high capacity ASME Section IV pressure relief valve engineered for low pressure steam and hot water boiler applications. Featuring a 2" Female NPT inlet and a 2 1 2" Female NPT outlet, this valve is factory set at 125 PSI with a certified relieving capacity of 19,850 lb h (PPH) or approximately 19,850,119 BTU h. The cast iron body construction and B584 alloy 84400 bronze seat