Built for long-term reliability in high-cycle environments

wide-contrast color change—green for dry and yellow for wet—protected by a filter pad and screen to prevent contamination and turbulence from affecting readings

maintaining the identical flow rate and thread tolerance necessary for high-pressure gas manifolds

eliminating the need for time-consuming field calibration

Versatile Application: Validated for use across multiple Nordyne brands

Williams 9806 Vent Tubes Els PW 17895 Built for long-term reliability inFor professional contractors handling deeper wall installations, the Williams 9806 12" Vent Tubes provide the necessary extension for Williams Forsaire direct vent furnaces. These precision engineered galvanized steel vent tubes are essential when standard venting kit lengths are insufficient for the structural thickness of the application. Designed specifically for Williams gas furnace parts, this 12 inch horizontal sidewall venting extension ensures