Hearth and Home Technologies WTB42, WTB33, WHB42, WTB30, WHB30 User Manual

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 build­ing 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 Hearth & Home Technologies Inc. dealer. For the dealer nearest you, please visit
www.heatilator.com

Note: An arrow (¨) found in the text signifi es change in content.

CAUTION

Sharp Edges

• Wear protective gloves and safety
glasses during installation.

WHB

WARNING

!

Hot Surfaces

• Install this refractory only after the appliance
has cooled and the gas and electricity have
been shut off..

WTB

Heatilator • WHB/WTB Refractory • 4055-186 Rev C • 03/08

1

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.

Make sure to shorten the bracket if installing in a B-vent

unit. See Figure 4.

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.

Figure 2 Location of Hook-Shaped 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 3 Loosen Brackets

2

Figure 6 Set Back Refractory in Place

Heatilator • WHB/WTB Refractory • 4055-186 Rev C • 03/08