installing this genuine OEM Trane part restores factory-spec protection and prevents premature compressor wear by stabilizing the electrical assembly

The Lennox 38M7801 features a specific cut-in point of 450 PSI and a cut-out point of 250 PSI

managing the changeover and defrost logic required for efficient heat pump operation

Code Compliance: Conforms to ASME specified standards for automatic water gauges

The Johnson Controls D-3244-5110 is rated for a maximum control pressure of 25 psig (175 kPa) to ensure safe operation of the internal diaphragm

Utica-Dunkirk 14622011 Relief Valve 321042-401 installing this genuine OEM TraneFor veteran HVAC technicians and mechanical contractors service maintaining hydronic heating systems, the Utica Dunkirk 14622011 Relief Valve is the specified OEM replacement part for ensuring critical overpressure protection. This 3 4" relief valve 30# is engineered with a high grade durable brass construction, designed to withstand the rigorous thermal cycles of residential and commercial boiler operations. With a fixed pressure rating of 30 PSI and