Williams replacement Orifice Fitting. This replacement orifice fitting is for use with both Enclosed Front and Fireplace Front Vented Hearth Heaters. It can be used on all models with all elevations regardless of fuel type.
Enclosed Front Vented Room Heaters 2001A, 3501A, 5001A, 6501A
Fireplace Front Vented Room Heaters 3502A, 5002A, 6502A