This unit serves as the direct replacement for 1170925

Key Benefits Eliminates Outside Venting: Meets NFPA 54 requirements for indoor installations

Always verify the actual pressure with a manometer before replacing the switch

specialized orifice wrenches

Lennox 10M63 Limit Switch This unit serves as theThe Lennox 10M63 Limit Switch is a critical safety component designed for precise thermal regulation within residential and light commercial HVAC systems. Engineered for high reliability applications, this SPDT limit control features an automatic reset function that ensures the system returns to normal operation once temperatures stabilize within the safe functional window. This specific model is a normally closed switch that triggers an open circuit