Product Description
Use Williams Vent Extension to meet your installation needs. This vent extension is designed to accommodate venting through a wall up to 15 in. thick. Vent tubes only. Does not include outside cap.|Includes flue extension tube, air inlet tube and air inlet shield|Galvanized metal|Designed to fit Williams 1403622, 1403621, 1403822 and 1403821 direct-vent furnaces|For up to 15 in. wall thicknessProduct Videos
Custom Field
Note Ships from manufacturer. Please note that additional delivery time and freight charges may apply. Returns are not accepted.
UNSPSC Code 40101800
