Williams 9809 Kit 319848-301 the B325 is designed to

the B325 is designed to operate in temperatures ranging from 0°F to 250°F

This differential pressure gage typically maintains an accuracy of +/- 2% of the full scale throughout its range

designed specifically for use in Carrier

frayed thermostat wiring

critical for maintaining system efficiency across different ductwork configurations

Williams 9809 Kit 319848-301 the B325 is designed toThe 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