This OEM refrigerant check valve is critical for maintaining correct refrigerant flow direction and preventing backflow during compressor staging or system shutdown

33" Open / -1

offering a more reliable and safer alternative to generic electric heat sequencers often found in the aftermarket

Exact OEM Fit: Ensures seamless compatibility with ICP furnace housings without modifications

The dust-protected switch housing and ambient-compensated timing relay ensure reliable low oil pressure cutout performance despite varying mechanical room temperatures

Trane KIT16545 Valve Upgrade Kit 318973-401 This OEM refrigerant check valveThe Trane KIT16545 is a high performance 5 inch Butterfly Valve Upgrade Kit engineered for precision fluid and airflow management in commercial HVACR applications. As an OEM spec butterfly isolation service kit, this assembly utilizes a durable metal disc and a robust 16. 4 inch body to ensure a bubble tight seal and reliable system isolation during critical maintenance cycles. Designed to replace legacy 5 inch valves, the KIT16545 includes the