The Nordyne 626391R Limit Switch is a critical high-temperature safety control designed for precise thermal monitoring within Nordyne

It will close the circuit once the sensor cools to 105 degrees F

If the blocked flue limit switch trips

Key Benefits: Precise Safety Calibration: Factory-set to trigger at a 190°F open temperature for reliable high-limit protection

Bard HVAC 8402-075BX Limit Switch The Nordyne 626391R Limit SwitchThe Bard 8402 075BX Limit Switch is a critical safety component designed for precise thermal regulation within Bard wall mount air conditioners and heat pump systems. This specific high limit control features a 7 170F AUTO reset configuration, ensuring the unit cuts power to the heating elements or compressor if temperatures exceed safe operational thresholds, then automatically resets once the plenum cools. Engineered as a direct replacement, the