Lennox 15M44 Rollout Switch Code Compliance: Facilitates NFPA 72

Code Compliance: Facilitates NFPA 72 requirements for supervising the power supply to 4-wire smoke detectors

providing the centrifugal force required to direct moisture away from the motor bearings and onto the condenser coils for improved heat transfer

using RTV as a substitute for a dedicated OEM HVAC gasket is not recommended

and general-purpose 24 VAC applications

Lennox 15M44 Rollout Switch Code Compliance: Facilitates NFPA 72The Lennox 15M44 is a professional grade flame rollout switch engineered to provide critical safety monitoring in gas fired residential and commercial heating equipment. Designed as a direct replacement for 626478, this SPST (Single Pole Single Throw) component is calibrated to actuate at 180 degrees F (+ 8 F), effectively disrupting the burner sequence if it detects a dangerous heat rollout condition. As a manual reset rollout switch, it requires a