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proceed with the next larger orifice size to ensure proper flow
When you are upgrading an older Nordyne furnace for air conditioning or heat pump compatibility
What is the purpose of the 'Cover Missing' signal
Includes specialized tamper-proof screws that resist standard hex or Phillips drivers
Lennox 10M79 Limit Switch 322838-753 proceed with the next largerThe 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
