Carrier EF17BZ111 Reversing Valve 328140-751 The Johnson Controls P-3800-1 Reset

The Johnson Controls P-3800-1 Reset Volume Controller is a high-performance

increasing the service life of the electrical components during long run times

The set point is adjusted by turning the internal calibration screw

ensuring no leakage across the PTFE seats in high-pressure hydronic loops

reducing the risk of delayed ignition and unit vibration

Carrier EF17BZ111 Reversing Valve 328140-751 The Johnson Controls P-3800-1 ResetThe Carrier EF17BZ111 Reversing Valve is a critical 4 way solenoid actuated component designed specifically for R 410A heat pump systems. Engineered for high pressure cycles, this slide type reversing valve ensures seamless refrigerant flow reversal between heating and cooling modes. It features a 5 8" suction line and 1 2" discharge line ODF connections, providing a robust fit for residential and light commercial Carrier, Bryant, and Payne air