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Includes specialized tamper-proof screws that resist standard hex or Phillips drivers
this main harness eliminates the high-resistance issues often found in aftermarket "universal" kits
What is the purpose of the 'Cover Missing' signal
When you are upgrading an older Nordyne furnace for air conditioning or heat pump compatibility
By integrating full-time flame monitoring and specialized safety timings
Lennox 10M79 Limit Switch 322838-753 Includes specialized tamper-proof screws thatThe Lennox 10M79 Limit Switch is a critical safety component engineered for precision thermal monitoring in HVAC systems and residential furnaces. This OEM Lennox part, also identified by manufacturer number 10M7901, features an L140 40F configuration. It is calibrated to open the electrical circuit when internal temperatures reach a 140F limit, effectively preventing heat exchanger damage and ensuring safe appliance operation. The switch
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