If the flue is clear and the fan is drawing adequate vacuum but the SPST pressure switch fails to close

The Lennox 63K62 Motor Mount is a heavy-duty

The Trane HTR15185 Crankcase Heater is a critical component for maintaining compressor reliability

Simplifies regulator maintenance by allowing quick pressure range swaps without replacing the entire valve housing

Carrier P530-2456 Expansion Valve 323613-751 If the flue is clearWhen you're dealing with a failing Carrier P530 2456 Expansion Valve, you need a drop in replacement that maintains precise refrigerant metering. This OEM Carrier expansion valve is a universal thermostatic expansion valve (TXV) designed for R22 systems with a 4. 5 to 6 ton capacity. Built with a balance ported construction, it handles varying head pressures effectively, making it a reliable choice for both standard AC units and heat pump applications