Williams P300500 Fan Blade 321894-709 though it is recommended to

though it is recommended to avoid mounting with the conduit openings facing upward in high-moisture environments

Designed for use with R22 refrigerant and Mineral Oil (160P)

This 5-pack of 120V silicon nitride igniters is designed specifically for high-efficiency gas furnaces

For service calls involving high-efficiency furnace venting

this outdoor temperature sensor is the likely culprit

Williams P300500 Fan Blade 321894-709 though it is recommended toMaintaining optimal static pressure and thermal transfer in Forsaire top vent furnaces requires high precision air movement components. The Williams P300500 is an authentic OEM replacement fan blade engineered specifically for counterflow top vent models, including the 3508 and 35087 series. Featuring a robust 9 inch diameter and a 5 blade configuration, this component is designed to pull heat efficiently from the combustion chamber while maintaining