Lennox 46K69 Limit Switch making it the industry standard

making it the industry standard for 60-90 degree Fahrenheit vertical applications

and B340970P01

as these brands are manufactured under the same parent company and share technical specifications

typically rated for systems between 3 to 5 tons depending on the specific refrigerant and liquid temperature

3-pole footprints

Lennox 46K69 Limit Switch making it the industry standardThe Lennox 46K69 Limit Switch is a critical safety component engineered for precision HVAC temperature regulation in residential and commercial heating systems. Operating within a strictly defined thermal profile, this auto reset limit switch is designed to open an electrical circuit when temperatures reach 180F and automatically reset at 150F. This specific Lennox replacement part is a direct OEM equivalent for multiple legacy and current part