Hearth & Home Technologies WTB33 User Manual
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.
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.
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.
screws. See Figures 2 and 3.
Make sure to shorten the bracket if installing in a B-vent
unit. See Figure 4.
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