This TXV valve assembly is critical for preventing liquid slugging in the compressor by maintaining the correct pressure drop across the internal orifice

What is the maximum operating temperature for the McDonnell & Miller 181925

Precise Timing Logic: Features fixed 4-second pre-purge and 15-second inter-purge cycles to ensure safe combustion chamber venting

The exhaust side typically requires a positive pressure switch

Trane VAL2979 TXV Els PW 29614 This TXV valve assembly isThe Trane VAL2979 TXV is a critical fluid metering component engineered to maintain precise superheat control in 4 ton HVAC residential air conditioning and heat pump systems. Designed for high reliability applications, this thermostatic expansion valve features 1 2 inch ODF inlet and outlet connections, facilitating a robust sweat fit installation for professional technicians. By modulating refrigerant flow into the evaporator coil, this OEM