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the 78H40 (identical to Lennox 78H4001) regulates refrigerant flow into the evaporator coil by sensing heat load changes
this ferromagnetic transformer is rated for constant duty
This orifice is typically calibrated for a specific gas type
Health Hazard Protection: Certified for high-hazard installations where reduced pressure zone (RPZ) protection is mandated by local water authorities
The valve can be mounted in horizontal or vertical piping
Carrier EA03PC519 Solenoid Valve 30067439-890 the 78H40 (identical to LennoxThe Carrier EA03PC519 Solenoid Valve is a critical OEM replacement part engineered for high precision refrigerant metering and flow control in commercial and residential HVACR systems. As a genuine Carrier part, it is built to the exact dimensional and metallurgical standards of the original equipment, ensuring seamless integration into the liquid line of chillers, condensers, and split systems. This solenoid valve is designed to handle the rigorous