Lennox 52M42 Limit Switch 323055-751 ensuring the mechanical room remains

ensuring the mechanical room remains safe

Professional technicians recognize this as the official replacement for legacy part numbers 626561R

or "red dust" iron powder emissions indicative of fit failure

providing superior regulation compared to unbalanced alternatives

utilizing this genuine HVAC pilot assembly is essential for maintaining equipment certification and ensuring reliable cold-weather startups

Lennox 52M42 Limit Switch 323055-751 ensuring the mechanical room remainsThe Lennox 52M42 Limit Switch is a critical safety component designed for precise thermal regulation within Lennox residential furnaces. As a genuine Lennox OEM replacement part, this 180 40F auto limit switch is engineered to monitor heat exchanger temperatures, effectively preventing hazardous overheating and potential equipment damage. This furnace high limit switch features a fixed set point of 180F for the opening temperature and an automatic