Nordyne 626404R Limit Switch always verify against the manufacturer’s

always verify against the manufacturer’s spring chart for your specific model and orifice combination

The S1-025-31813-000 ensures that if the system experiences restricted airflow—often due to a clogged filter or a failing secondary heat exchanger—the circuit breaks before the unit sustains damage

ensuring zero-slip mechanical connections

Common causes include pitted contacts from excessive arcing

Seamless Retrofit: Functions as the updated technical equivalent for the discontinued Danfoss 014-0144

Nordyne 626404R Limit Switch always verify against the manufacturer’sThe Nordyne 626404R is a critical OEM replacement part engineered for high limit safety in Intertherm, Miller, and Revolv gas and electric furnaces. As a 145F double pole limit switch, this component is designed to monitor internal plenum temperatures and interrupt both sides of the electrical circuit should the system exceed the 145 degree Fahrenheit threshold. This rollout limit switch features an automatic reset with a 40 degree differential,