Lennox 73W20 Limit Switch 323613-751 Avoid the risks of "close-enough"

Avoid the risks of "close-enough" aftermarket sizing by sticking with Source 1 technical specifications for your HVAC burner maintenance

High Torque Output: Provides 45 lb-in of force

the manual reset design requires a qualified technician to troubleshoot and clear the underlying fault before the system can be restarted

Its robust design is optimized for high-cycle environments

Lennox 73W20 Limit Switch 323613-751 Avoid the risks of "close-enough"The Lennox 73W20 Limit Switch is a critical safety component designed for precise thermal regulation within Lennox residential furnaces and HVAC systems. As an OEM Lennox replacement part, this L175 30F limit control features a fixed set point, engineered to open the electrical circuit at 175F and automatically reset when temperatures drop to 145F. This SPST (Single Pole Single Throw) switch utilizes a 5 inch stilt mounting insertion depth to monitor