6 - COMBUSTION AIR AND VENT PIPING
Figure 12 - Horizontal Venting Clearances
NOTICE
Figure 13 - Typical Vent and Air Intake
Arrangements
Maintain 12" (30cm) US, 18" (46cm) Canada
clearance above highest anticipated snow level
or grade.
(
= Combustion Air /
= Venting)
EN
20
20
EN