including the GCS series

ensuring accurate signal response without the wear associated with traditional potentiometers

protecting the compressor from high discharge heat

or differential pressure within a set point range of 0

maintaining the thermal efficiency of the refrigerant line set

Trane VAL9478 TXV 320788-703 including the GCS seriesThe Trane VAL9478 is an OEM grade thermostatic expansion valve (TXV) engineered specifically for 4 ton cooling applications. Designed for high pressure R410A refrigerant, this component features a 3 8" ODF inlet and a 1 2" ODF outlet, ensuring low restriction sweat connections in residential and light commercial air conditioning systems. The 5 foot capillary tube provides the necessary reach for precise bulb placement on the suction line, allowing for