Combustion Stability: Maintains regulated gas pressure to ensure clean

The totally enclosed design protects internal components from dust and debris

as it poses a significant fire hazard

With standard 1/4-inch male quick-connect terminals and a compact round profile

this device features an automatic reset mechanism and is calibrated for an opening temperature range of 190°F to 230°F

Lennox 49L03 Limit Switch Combustion Stability: Maintains regulated gasThe Lennox 49L03 Limit Switch is a critical safety component engineered for precision temperature regulation in Lennox residential furnaces and commercial HVAC systems. This 7 inch insert limit switch serves as a primary high limit control, featuring a fixed temperature range that opens at 200F and automatically resets when the internal temperature drops to 170F. As a Normally Closed (NC) SPST switch, it provides essential protection by interrupting