Pay in 4 interest-free payments of $16.15 Learn more
Ships within 48 hours · Estimated delivery Sep 11 - Sep 16
Built with a rugged
reducing oxidation and extending the life of the sensor probe
Its snap-action contact design provides a reliable electrical interface with the integrated furnace control
use a manometer to verify the vacuum is greater than
this is the current manufacturer-designated replacement
Williams P321826 Limit Switch Built with a ruggedThe 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