Burnham SCG 1100-H4 - Manual (Page 20)

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Figure 8A: V
ertical V
ent/Air T
ermination (
” V
ent T
erminal)
Extend V
ent/Air Intake Piping to maintain minimum vertical (“X”) and minimum horizontal (“
y”) distance of twelve (1
) inches from
roof surface.
Allow additional vertical (“X”) distance for expected snow accumulation.