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managing filtration system differentials
though it has a higher burst pressure rating for safety overhead
this auto reset limit switch monitors internal plenum temperatures to prevent heat exchanger damage and hazardous operating conditions
The electronics are environmentally sealed to withstand the condensation and icing common in suction line applications
when used with a vent limiter
Lennox 69M38 Limit Switch 321894-709 managing filtration system differentialsThe Lennox 69M38 Limit Switch is a critical safety component designed for precise thermal regulation within residential and commercial furnace repair and air handler applications. This OEM Lennox replacement part serves as the direct replacement for 69M3801, ensuring seamless mechanical and electrical compatibility with existing mounting footprints. As a high reliability HVAC limit switch, it operates on a standard 24V circuit to monitor internal