35
Installing a Vent (For indoor installation only)
Two-pipe vertical venting
36" (900 mm) min.
Exhaust gas
12" (300 mm) min.
From any obstruction
(above, below, left,
or right)
Intake air
12" (300 mm) min.
Caution
• Maintain 12" (300 mm) min. (18" (450 mm) min. for Canada)
clearance above highest-anticipated snow level. Maximum
of 24" (600 mm) above roof.
• Install a bird screen at the end of the intake air pipe and
exhaust pipe.
Notice
Intake and exhaust pipes do not have to terminate in the same area.
Concentric roof venting
Combustion air
Maintain 12" (300 mm) min.
Combustion air
Vent
Vent
Caution
Maintain 12" (300 mm) min. (18" (450 mm) min. for Canada)
clearance above highest-anticipated snow level. Maximum of
24" (600 mm) above roof.
Outdoor Installation
Outdoor installation should only be considered in mild climates.
Freezing temperatures or contaminated air can be damage the
water heater. When installing the water heater outdoor, maintain
clearance from building openings, as described in the "Non-Direct"
section on page 28. Outdoor installation areas should be in an
open, unroofed area and should allow for the following minimum
clearances from the water.
Top
Back
Front
Side
Side
Bottom
Clearance From Wall Mounting
Top 36 inches (900 mm) min.
Back 0.6 inches (15 mm) min.
Front 24 inches (600 mm) min.
Sides 60 inches (1524 mm) min.
Bottom 12 inches (300 mm) min.
When installing a water heater outdoors, follow these guidelines;
• The VST's outdoor Vent Kit must be used to ensure proper
operation of the water heater. (Item No. : 2070723S)
• Ensure that there is plenty of clearance around the air intake
and that it is adequately protected to prevent any debris,
liquids, or flammable gases from entering the air intake.
• Please refer to page 8 for the rating plate enclosed with the
outdoor kit.
To Next Page
Loading...