This OEM replacement part is engineered to open the electrical circuit when temperatures reach 250°F and automatically reset once the system cools to approximately 210°F

Constructed for industrial longevity

meaning the circuit remains open (off) until the door is physically closed to depress the button and "close" the circuit

This specific model serves as the direct HS3GF02A24 replacement

This direct mount pressure switch features a compact

Lennox 46K69 Limit Switch This OEM replacement part isThe 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