GDT090-4A Parts List:
Blower Motor — B1340020S, 1/2HP, 1075 RPM, 3 Speed
Vent/Inducer Motor – 0131M00002PSP
Circuit Board — B1809913S Furnace Control Board
Gas Valve — 0151M00013S / B1282628, Single Stage
Hot Surface Ignitor — B1401018S