Trane VAL8634 TXV 319848-301 This 1-inch NPT valve features

This 1-inch NPT valve features a rugged brass body and a resilient EPDM diaphragm

making it compatible with a wide range of industrial controllers and HVAC automation standards

The McDonnell & Miller 150S-MD provides a wider operating range between the pump-on and pump-off activations

Streamlined Installation: Color-coded pre-stripped leads and a clearly marked terminal board allow for fast mounting on a standard 4x4 electrical box

Trane VAL8634 TXV 319848-301 This 1-inch NPT valve featuresModern HVAC technicians and commercial contractors require reliable refrigerant metering to maintain system efficiency, and the Trane VAL8634 (identical to X15111278080) is a high performance R 410A thermostatic expansion valve engineered for 5 ton refrigeration systems. This OEM thermostatic expansion valve is designed to precisely modulate liquid refrigerant flow into the evaporator, preventing compressor slugging while maintaining an optimal TXV