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and 3155 units
Dual Functionality: The SPDT contact configuration allows for concurrent compressor shutdown and fault notification
this L175-20 limit switch effectively monitors the heat exchanger
preventing the operation of the burner under unsafe draft conditions
The integration of Zettler ZCPRX2AE2 engineering provides a durable metal tab mount and five dual quick-connect terminals
Lennox 49K03 Expansion Valve 30067439-890 and 3155 unitsThe 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
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