Hearth and Home Technologies WHB30 - Manual (Page 2)

Heatilator • WHB/WTB Refractory • 4055-186 Rev C • 03/08 2
1. Shut off the electricity to the appliance and turn the gas
shutoff valve to the closed position. See Figure 1. Remove
the screen and glass from the appliance.
Figure 1 - Gas Shutoff Valve
2. If installing this refractory into a B-Vent Appliance, please
go to “To Convert Refractory Kit to Fit B-Vent Appliance”
on page 4 of this manual.
3. Attach the two long hook-shaped brackets by removing
the two outside screws on the false back and reinstall the
screws. See Figures 2 and 3.
Make sure to shorten the bracket if installing in a B-vent
unit. See Figure 4.
Figure 2 Location of Hook-Shaped Brackets
Figure 3 Loosen Brackets
Figure 4 Shorten Brackets for B-Vent Installation
4. Set the back refractory piece into the brackets. See
Figures 5 and 6.
Figure 5 Position Back Refractory for Placement
Figure 6 Set Back Refractory in Place