Nordyne 904574 Limit Switch Whether you are dealing with

Whether you are dealing with carbon buildup or a cracked insulator

If you are switching the relay using a standard 24V thermostat signal

Always verify the glass outside diameter (OD) is 5/8" before installation

The Nordyne 626435R Auto Limit Switch is a critical OEM safety component engineered for precision temperature monitoring in gas-fired and electric furnaces

This automatic reset limit switch is a reliable HVAC OEM replacement part compatible with various 36T series applications

Nordyne 904574 Limit Switch Whether you are dealing withThe Nordyne 904574 Limit Switch is a critical safety component designed for high limit temperature monitoring within gas fired furnaces. This 145F CO auto limit switch serves as a primary thermal watchdog, specifically engineered to open the electrical circuit at a fixed set point of 145 degrees Fahrenheit. By integrating a time delay relay, the 904574 ensures that the system responds accurately to abnormal heat rise and potential carbon monoxide