Lennox 49K03 Expansion Valve 30067439-890 Dual Functionality: The SPDT contact

Dual Functionality: The SPDT contact configuration allows for concurrent compressor shutdown and fault notification

preventing the operation of the burner under unsafe draft conditions

The Reznor 97535 Pilot Assembly is a critical OEM replacement part designed for field technicians maintaining Reznor commercial and industrial unit heaters

this L175-20 limit switch effectively monitors the heat exchanger

as a Factory Authorized Part

Lennox 49K03 Expansion Valve 30067439-890 Dual Functionality: The SPDT contactThe 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