Compatibility is determined by the full model and serial number of the furnace

While standard as IP30

Proper installation of this kit restores the valve's MOPD ratings and maintains the integrity of the pressure vessel

removing the need for manual adjustment in energized cabinets

5 MFD run capacitor

Williams P300500 Fan Blade 340793-762 Compatibility is determined by theMaintaining 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