Common Questions: How do I confirm the 49W63 is the right fit for my Lennox unit

this 120V silicon carbide igniter is engineered for high-temperature durability and rapid thermal response

Utilizing a 2

Engineered for R22 and R407C refrigerants

If the inducer is running and you hear the gas valve click but see no orange glow from the furnace igniter

Lennox 69W42 Limit Switch 322057-301 Common Questions: How do IThe Lennox 69W42 Limit Switch, also identified as the L220 30 Limit Switch, is a critical OEM safety component engineered for precise thermal regulation within Lennox, Armstrong, and Ducane furnaces. This furnace high limit switch features a 220F opening threshold to interrupt the electrical circuit immediately upon detecting an over temperature condition, effectively preventing heat exchanger damage and ensuring operational safety. With an automatic