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Installation
Instructions
Models:
WHB30, WHB33, WHB36, WHB42
WTB30, WTB33, WTB36, WTB42
These refractories are intended for use with the Novus NDV and NBV Series gas appliances. Check with your local build-
ing code agency before you begin installation to ensure compliance with local codes, including the need for permits and
follow-up inspections. If you encounter any problems regarding code approvals, or if you need clarifi cation of any of the
instructions contained here, contact your Heart
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1. Shut off the electricity to the appliance and turn the gas Make sure to shorten the bracket if installing in a B-vent shutoff valve to the closed position. See Figure 1. Remove unit. See Figure 4. the screen and glass from the appliance. Figure 1 - Gas Shutoff Valve Figure 4 Shorten Brackets for B-Vent Installation 2. If installing this refractory into a B-Vent Appliance, please 4. Set the back refractory piece into the brackets. See go to “To Convert Refractory Kit to Fit B-Vent Applianc
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5. If lava rock has been placed in appliance, clean the rock 7. To secure the side refractory in place, remove either the away from the fi rebox sides to make room for the side middle or back screw in the fi rebox top. Attach a refractory refractory. See Figure 7. bracket (using the screw removed) to the fi rebox top. See Figure 10. Figure 7 Move Lava Rock to Install Side Refractory Figure 10 Attach Refractory Bracket 6. Carefully install a side refractory. See Figures 8 and 9. 8. Repeat Step 3
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12. Convert Refractory Kit to Fit B-Vent Appliance a. Locate the back refractory piece and lay the brick side down on a fl at surface. Locate the indicator marks on the back of the refractory piece. Lay a straight edge on the indicator marks and cut with a utility knife. See Figure 8. Figure 8 b. B-Vent/Herringbone - cut at line, discard lower (smaller) portion. Install cut side down. Refer to Figure 9. c. Direct Vent/Herringbone - Install whole refractory. (back of Herringbone refractory) (
