If the indoor blower motor fails to shut off after the thermostat demand is met

the internal diaphragm is likely ruptured or worn and requires replacement with the D-251-6000

The standard OEM four-hole mounting (1-7/8" x 1-1/2" spacing) and 1/4-inch insulated female quick-connect leads allow for rapid installation in tight blower compartments

Facilitates reliable communication between the primary control board and YAC device controllers

remember to adjust your measurements accordingly

Williams 9809 Kit R-407C If the indoor blower motorThe Williams 9809 Kit is a critical direct vent furnace venting solution designed specifically for the Williams 60077 Series. As a dual tube assembly, this kit facilitates the balanced exchange of combustion air and flue gases through a single wall penetration. The 9 inch vent tubes provide the necessary reach for standard exterior wall thicknesses, ensuring that the vent cap maintains proper clearance from the building envelope to prevent exhaust