Hearth and Home Technologies WHB42, WTB36, WTB42 Convert Refractory Kit to Fit B-Vent Appliance

12.Convert Refractory Kit to Fit B-Vent Appliance

a.Locate the back refractory piece and lay the brick side down on a flat 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)

(bottom for b-vent)

Figure 9

d.B-Vent/Traditional - cut at line, discard upper (smaller) portion. Install cut side down. Refer to Figure 10.

e.Direct Vent/Traditional - Install whole refractory.

(back of Traditional refractory)

(bottom for b-vent)

Figure 10

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