Williams 9304 Vent Extension 322838-754 It relies on a pressure

It relies on a pressure differential to assist the piston movement

Standard petroleum-based lubricants can degrade the elastomer and cause seal failure in gas applications

this item is Non-Cancelable / Non-Returnable to ensure every customer receives a factory-tested

Common signs of a faulty limit control include the furnace blower running constantly while the burners remain off

facilitating seamless integration into eco-friendly retrofits

Williams 9304 Vent Extension 322838-754 It relies on a pressureThe Williams 9304 Vent Extension is a critical component for completing through the wall installations of Direct Vent (DV) Wall Furnaces. This 15 inch extension is engineered specifically for the Williams 14038 Series (14,000 BTU models), including compatible Mfr. Nos. 1403821 and 1403822. When standard vent lengths are insufficient due to structural depth, this kit accommodates wall thicknesses from 9 inches up to 15 inches. Constructed from heavy