making it a standard drop-in replacement for many Carrier

replacing the entire gas burner assembly is often the most effective way to restore the FVIR system burner to its original performance standards

The unit features an error-code display and can be programmed to de-energize relays upon sensing a thermistor short or open circuit to prevent system damage

a stainless steel trim model must be specified

guaranteeing exact fitment

Lennox 46K07 Limit Switch 322838-753 making it a standard drop-inThe Lennox 46K07 Limit Switch is a critical safety component designed for precise thermal regulation within residential gas furnaces and air handlers. Engineered as a L185 20F fixed temperature control, this genuine Lennox replacement part ensures the burner circuit opens if internal plenum temperatures reach 185F, preventing heat exchanger damage and potential fire hazards. The switch is designed to automatically reset once temperatures drop by a 20F