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The Lennox 26G78 is a high-performance 185F AUTO limit switch engineered for critical temperature regulation in residential and commercial HVAC units
enabling the operation of bleed-type sensors and ensuring the master controller receives accurate input signals
allowing for a standard garden hose connection for easy system draining
Industrial Materials: Built with high-heat resistant fiber to prevent air bypass and heat transfer to the exterior cabinet
reducing field diagnostics and ensuring the furnace operates within its designed static pressure and temperature rise parameters
Lennox 10W57 Circuit Board Els PW 17895 The Lennox 26G78 is aThe Lennox 10W57 Circuit Board is a critical OEM replacement component designed for high efficiency residential gas furnaces and air handlers. Engineered for precision system control, this HVAC control board replacement serves as the primary logic center for blower timing, ignition sequencing, and integrated safety monitoring. It is the definitive direct cross version of R76700013 and also replaces part numbers R45632 001 and ICM AH4103, ensuring
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