Why is my valve still leaking after a rebuild

Designed to provide supplemental or emergency heating

this component enables the critical Low Water Cut-Off (LWCO) safety function

Vibration Dampening: The 11-1/2" x 11-1/2" footprint provides a stable

a compressor that fails to start (hard starting)

Lennox 49K03 Expansion Valve Els PW 17895 Why is my valve stillThe 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