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Critical Protection: Reliable combustion safety switch prevents hazardous overheating and potential fire conditions by severing power at 250 degrees Fahrenheit
which automatically drives the damper to a pre-programmed home position during power loss
The external knob allows for rapid field adjustments
restricted gas valve
Nordyne 626403R Limit Switch 318172-701 Critical Protection: Reliable combustion safetyThe Nordyne 626403R is a high precision 140F CO Auto Limit Switch designed for critical safety monitoring in Nordyne, Intertherm, and Miller electric furnaces. As a veteran grade OEM furnace limit switch, this double pole (2 pole) component acts as a primary fail safe, monitoring discharge temperatures to prevent heat exchanger damage. This unit is the direct replacement for 626260 and also supersedes legacy part numbers 626403 and 6264030, ensuring a
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