Williams 9304 Vent Extension 322838-754 which linearizes the heat transfer

which linearizes the heat transfer of the coil to prevent hunting and improve overall energy efficiency

it ensures accurate positioning of the valve plug for efficient steam and water flow control

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

Voltage Compatibility: Precision calibrated for 208/230V single-phase power supplies found in most light commercial condensers

Easy Operation: Low-torque quarter-turn handle allows for precise control during backflow testing procedures

Williams 9304 Vent Extension 322838-754 which linearizes the heat transferThe 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