INSTALLATION INSTRUCTIONS
REFRACTORIES FOR CB & CD SERIES
WTBC36BB and WTBC42BB - B-vent Refractory
WTBC36DB and WTBC42DB - Direct Vent Refractory
These refractories are intended for use with the Caliber CB Series B-Vent and CD Series Direct Vent gas appliances. Refer to the installa-
tion instructions supplied with the appliance for the correct accessories to be used. If you encounter any problems regarding code approv-
als or if you need clarification of the instructions contained here, contact your local distributor/dealer or the Heatilator Technical Services
Department, Hearth & Home Technologies Inc., 1915 W. Saunders Street, Mt. Pleasant, IA 52641, phone 1-800-927-6841.
CAUTION:
CAUTION:
Install this refractory only after the appliance has
cooled and the gas and electricity have been shut
off.
Wear gloves and safety glasses for protection.
Note: An arrow (ꢀ) found in the text signifies change in content.
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REFRACTORY - CB & CD SERIES INSTALLATION INSTRUCTIONS
6. Direct Vent
7. Repeat Step 4 to install the other side refractory piece.
Place the back refractory into position and slide the side edge
of the back refractory behind the side refractory. This will hold
the back refractory in place. See Figure 6.
8. Adjust the back and sides so no gaps are visible in the corners
where the pieces come together.
9. Tighten screws.
10. Reinstall the rear log, grate/log assembly, glass panel assembly
and screen.
11. Restore power and gas flow. Your refractory installation is now
complete.
Figure 6 - Place Back Refractory-Direct Vent
B-Vent
Place the back refractory into position and slide the side edge
of the back refractory behind the side refractory. Hold the back
refractory in place until the second side refractory is installed.
See Figure 7.
Figure 7 - Place Back Refractory-B-Vent
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REFRACTORY - CB & CD SERIES INSTALLATION INSTRUCTIONS
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4040-227 Rev B
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