making it ideal for service flexibility and system balancing

this part is a complete #4

System Protection: Actively manages superheat to protect the compressor from liquid refrigerant entry

Featuring a 3/8-inch ODS inlet and a 1/2-inch ODS outlet

or the coil completely icing over in heating mode

Kunkle Valve 0537-D01-HM0040 Valve 324846-701 making it ideal for serviceThe Kunkle Valve 0537 D01 HM0040 is a heavy duty ASME Section IV pressure relief valve engineered for critical overpressure protection in low pressure steam and hot water boiler systems. This bronze safety relief valve features a 3 4" female NPT inlet and a 1" female NPT outlet, factory set at 40 PSI to ensure system integrity. With a discharge capacity of 1299 lb h (PPH) or 1,298,696 BTU h, it effectively manages thermal expansion and over firing