as this HVAC high-limit sensor is calibrated for tight tolerances to match original equipment manufacturer safety standards

making it a staple for any service truck

Automatic Reset: Eliminates downtime by automatically closing the circuit once temperatures drop below the 70°F threshold

The HSI ignitor operates at 1

Common Questions & Technical Support What is the difference between the 50001774-001 and the 50001774-001/U

Nordyne 626449R Limit Switch as this HVAC high-limit sensorWhen the high side temperatures in a Nordyne heat exchanger exceed safe operating parameters, the Nordyne 626449R Limit Switch serves as the primary line of defense. This OEM furnace limit switch is an L250 25F auto reset control, meaning it is calibrated to open the electrical circuit at 250? F and automatically close (reset) once the temperature drops by 25? F to a stable 225? F. Engineered with a 3 1 8 inch insertion length, this snap disc limit