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Standard Fitting: Equipped with a knurled 11/32-32 DL male nut for a tool-secure connection to the power unit
If you have no continuity and the temperature is below 155°F
Look for a bulging top
reducing oxidation and extending the life of the sensor probe
Built with a rugged
Williams P321826 Limit Switch Standard Fitting: Equipped with aThe Williams P321826 Limit Switch is a critical safety component designed specifically for Monterey Counterflow Top Vent Furnaces, including the 250, 350, and 500 series. As a veteran technician knows, maintaining the integrity of the vent safety shutoff system is non negotiable for preventing flue gas spillage and potential carbon monoxide hazards. This replacement vent limit switch is engineered to monitor exhaust temperatures and will break the