Lennox 46K07 Limit Switch 322057-301 It maintains the same face-to-face

It maintains the same face-to-face dimensions and 1-inch NPT connection points

gas-tight seal at the inspection port

Always verify the part number 100112654 or 9008263005 on your existing inducer housing to ensure a 6-slot match before installation

the 30731056-001 is sized specifically for the 5-inch Honeywell V5011B series to accommodate the 1-1/2" stroke requirement

Lennox 46K07 Limit Switch 322057-301 It maintains the same face-to-faceThe 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