We have a large selection of furnace parts manuals / wire diagrams online.
To help you look up your part number by model number. Click on Furnace Parts Manuals then use Control and F to search your model number. ctrl+F
1 Year Warranty on ALL parts!
Metal slip nut used with the SG-510 sight glass. Slip nut measures 1-3/4" O.D and 1-1/4" I.D.
SG-510 glass and G-180 gasket sold separately.