Lennox 49K71 Limit Switch 318518-761 as some setups utilize a
Baker’s notes & crumb story
Description
Lennox 49K71 Limit Switch 318518 761 as some setups utilize a as some setups utilize a separate integrated ignition control for the combustion air inducer The Sensus 143 62 023 43 ensures stable lock up performance and reduces the risk of pilot fluctuations or over pressurization