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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 integrated LED indicator provides immediate visual feedback on the contact status
restricted gas valve
The external knob allows for rapid field adjustments
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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