A.O. Smith 100 Series Installation And Operating Manual

27
Attach
termination
elbow.
Debris
Screen
(Install into
Elbow)
300 mm
(12”)
min.*
Ground
Level*
Cover Plate
(optional)
Sealant
(under plate)
Vent Pipe to be
sloped (down) toward
heater to prevent
water from collecting.
May require a
condensate tee.
Sealant
150 mm
(6”)
*Where snow cover is normal during winter,
ensure outlet is installed above the anticipated
snow level.
Figure 31. Side-Wall Vent Termination - Normal Snow Cover
Attach
termination
elbow.
Bracket
Debris
Screen
(Install into
Elbow)
300 mm
(12”)
min.*
Ground
Level*
Cover Plate
(optional)
Sealant
(under plate)
Vent Riser
Sealant
Equivalent Vent
Length
Measured from
this Position
Vent Pipe to be
sloped (down) toward
heater to prevent
water from collecting.
May require a
condensate tee.
*Where snow cover is above normal during
winter, ensure outlet is installed above the
anticipated snow level.
Figure 32. Side-Wall Vent Termination - Above Normal Snow Cover
A vent used in a special
venting system with
positive vent pressure and
passing through a roof
shall extend at least 18”
above the highest point
where it passes through
the roof surface and any
other obstruction witin a
horizontal distance of 450
mm (18”). A vertical
venting system must be
supported every 1.5 m (5’).
Roof Line
450 mm (18”)
or above
anticipated
snow level.
Debris Screen
(Install into
elbow.)
Attach
termination
elbow.
75 mm
(3”) min.
Figure 33. Roof Vent Termination

A.O. Smith 100 Series Specifications

General

Brand	A.O. Smith
Series	100 Series
Category	Water Heater
Vent Type	Atmospheric
Type	Tank
Fuel Type	Natural Gas, Propane
Warranty	6-Year Limited Tank and Parts