13
CONCENTRIC VENT TERMINATIONS
For new installations, install 2” Concentric vent kit model
KGAVT0501CVT, part number 6910542. See Manufacturer’s
instructions for complete installation or call customer service at
1-800-456-9805 for assistance or go to www.americanwaterheater.com.
For planning purposes, see figures 10-13 below for vent terminal
specifications.
Note: For replacement installations, previously installed
American Water Heater Company supplied concentric vent kits
are acceptable for use on 100,000-130,000 BTU/Hr models only.
(14.6cm)
(15.7cm)
(8.9cm Dia.)
(42.2cm)
(84.77cm)
(4.8cm)
(3.8cm)
Figure 10: 2 Inch Concentric Vent
(2.54cm)
Figure 11: Through the Wall Termination
12” (30.5cm) Minimum
clearance above
anticipated snow level.
24” (61cm) Max.
Figure 12: Through the Roof Termination
Notes:
1. Support Horizontal Pipe Every
Four Feet (1.2 m). Support
Vertical Pipe Every Six ft. (1.8 m).
2. Increase The 12 Inch (30.5 cm)
Minimum Above Grade To Keep
Inlet Opening Above Anticipated
Snow Levels.
3. Slope All Piping Down Toward
the Water Heater as follows:
´3LSLQJVORSH
´3HU)RRWPPSHUPHWHU
´3LSLQJVORSH
´3HU)RRWPPSHUPHWHU
´FPPD[LPXPZKHQXVLQJ
´SLSH
*
*
*
18”
(45.7cm)
Max.
12” (30.5cm)
Minimum Above
Grade or
Anticipated
Snow Level.
(See Note 2.)
See Note 4
Figure 13: Through the Wall Termination
For clarity, T&P discharge line not shown. See the Temperature
and Pressure Relief Valve section for requirements.
Concentric Venting Multiple Water
Heaters (All Models)
When using two Polaris
®
units, install vent terminations
using either Method E or Method F below:
Note: For installation of more than two Polaris
®
units,
follow the pattern established in Method G.
2” (5.08 cm)
Max.
36” (.9144 m) Min.
2” (5.08 cm)
Max.
36” (.9144 m) Min.
Figure 13E, 13F, 13G
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