Instruction manual
Fi d b b il & h B il M l
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Figure 4 Horizontal combustion air and venting for a single unit
Figure 5 Horizontal combustion air and venting for a multiple units
When running horizontal combustion air and venting for single or multiple units, exhaust and combustion air terminals must be
installed on the same plane (outside wall) in order to prevent pressure di erences due to prevailing winds. In cold climates, double-
wall or insulated inlet pipe recommended to prevent condensation.
1.5 FT 0.5 m
2 IN. 5.0 cm
0
1
2
3
4
5
6
7
8
9
0 5 1 0 1 5 2 0
H o r i z o n t a l D i s t anc e , X
Y
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c
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V
2 0 0 0 & L a r g e r
1 2 0 1 T o 2 0 0 0
9 0 1 To 1 2 0 0
2 0 0 To 9 0 0
1000 B T U ' S