73" WC (vacuum) and 0

a compressor that fails to start (hard starting)

Designed to provide supplemental or emergency heating

always verify your specific Weil McLain burner part number against the factory parts list or manufacturer's technical guide

Lennox 49K03 Expansion Valve Els PW 17895 73" WC (vacuum) and 0The Lennox 49K03 Expansion Valve is a critical metering device engineered for precise refrigerant management in 3 ton R22 air conditioning systems. As a direct OEM replacement part, this thermostatic expansion valve (TXV) features a 1 4" flare (FLR) connection, ensuring a secure, leak resistant interface with the liquid line. Also identified by catalog number 49K0301 and model 041239 07, this component is essential for maintaining the correct