Nordyne 904574 Limit Switch Always verify the glass outside

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

including D6998101 and D6998205

System Compatibility: Commonly found in M1

Designed for systems utilizing R134a refrigerant

Nordyne 904574 Limit Switch Always verify the glass outsideThe 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