Carrier 335344-701 Vent Extension Pipe 318973-401 It comes pre-programmed from the

It comes pre-programmed from the factory to match the specific performance curves required for the compatible air handler models

QVES) and equivalent unit heaters

Check the lead wire diagram on the motor plate

Rugged Construction: Engineered with corrosion-resistant materials to withstand high-temperature combustion environments

The J-frame regulators require the R13110 series springs due to different tower heights and diameters

Carrier 335344-701 Vent Extension Pipe 318973-401 It comes pre-programmed from theThe Carrier 335344 701 Vent Extension Pipe is a critical OEM replacement part designed specifically for Carrier, Bryant, and Payne induced combustion furnaces. Engineered for precise exhaust gas venting, this factory authorized part ensures a leak free connection between the furnace inducer and the external venting system. Measuring approximately 11. 8 inches in length, this extension provides the necessary clearance and pitch for high efficiency