Lennox 33J84 Limit Switch 322055-301 using this genuine Carrier LA22LA128

using this genuine Carrier LA22LA128 ensures a direct fit without the need for field modifications

HVAC access doors

High-reliability dual safety switches ensure the burner only fires once the damper is in the fully open position

The unit includes a 3/4" OD x 16" standard glass tube

Lennox 33J84 Limit Switch 322055-301 using this genuine Carrier LA22LA128The Lennox 33J84 Limit Switch is a critical safety component designed for precise thermal regulation within residential and commercial HVAC units. Engineered as a 100 190F AUTO limit switch, this Lennox replacement part features a fixed temperature setting that triggers a circuit break at 190F and automatically resets once the plenum temperature cools to 100F. This furnace limit switch ensures the heat exchanger does not exceed safe operating