Heatilator • WTB Refractory • 4055-186 Rev. D • 8/15
2
Figure 5. Shorten Brackets for B-Vent Installation
4. Set the back refractory piece into the brackets. See
Figures 6 and 7.
Figure 6. Position Back Refractory for Placement
Figure 7. Set Back Refractory in Place
5. If lava rock has been placed in appliance, clean the
rock away from the
fi
rebox sides to make room for the
side refractory. See Figure 8.
Figure 8. Move Lava Rock to Install Side Refractory
6. Carefully install a side refractory. See Figures 9 and
10.
7. To secure the side refractory in place, remove either
the middle or back screw in the
fi
rebox top. Attach a
refractory bracket (using the screw removed) to the
fi
rebox top. See Figure 10.
Figure 9. Position Side Refractory
Figure 10. Set Side Refractory in Place