GE AP13787 Water Heater User Manual


 
Installing the water heater.
Additional Considerations
Do Not install vent terminal under any patio or deck.
To help prevent moisture from freezing on walls and under
eaves, do not locate vent terminal on the side of a building
with prevailing winter winds.
Do Not terminate vent pipe directly on brick or masonry
surfaces. Use a rust-resistant sheet metal backing plate
(2 x 2 feet) behind vent. (See illustration.)
Do Not locate vent terminal too close to shrubbery, as flue
gasses may damage them.
Caulk all cracks, seams and joints within six (6) feet of vent
terminal.
All painted surfaces should be primed to lessen the chance
of physical damage. Painted surfaces will require
maintenance.
Insulate vent pipe exposed to cold conditions (attics, crawl
spaces, etc.) with inflammable material to help prevent
moisture from accumulating in vent pipe.
Do Not extend exposed vent pipe outside of building.
If soffit vent is too
close, block off and
install new vent at
another location
Inside
corner
Caulk
Caulk
Caulk
6' (1.83 m)
caulk
zone or to edge of
window etc., starting
within 6'
Rising moisture will
collect under eaves
4'
(1.22 m)
6'
caulk zone
2 ft. sq. (60 x 60 m) sheet metal plate
brick or masonary surface is recome
n
RTV silicone caulk
(1.83 m)
(1.83 m)
(1.83 m)
6'
WARNING: Moisture in the flue gas will condense as
it leaves the vent terminal. In cold weather this
condensate can freeze on the exterior wall, under the
eaves and on surrounding objects. Some discoloration to
the exterior of the building is to be expected. However,
improper location or installation can result in severe
damage to the structure or exterior finish of the building.
Horizontal Vent Terminal Location
The location of the vent terminal depends on the following
minimum clearances and considerations (see illustration):
Twelve (12) inches above grade level and above normal
snow levels.
Four (4) feet below, or four (4) feet horizontally from any
door, window, soffit, under eave vent or gravity air inlet to
the building or other appliances, or from gas or electric
meters. Do not locate vent above walkways, doors, windows,
air inlets, gas or electric meters or other equipment.
Three (3) feet above any forced air inlet located within ten
(10) feet. Any fresh or make-up air inlet such as for a dryer
or furnace area is considered to be a forced air inlet.
Eighteen (18) inches from an inside corner formed by two
exterior walls.
4'
4'
Soffit vents
18"
4'
4'
4'
18"
Electric
meter
Inside
corner
3' above
if within 10'
Fresh
air
intake
12" (Above grade/snow level)
window or vent
14
NOTICE: All pipe, fittings, solvent cement, primers and procedures must conform to American
National Standards Institute and American Society for Testing and Materials (ANSI/ASTM) standards.
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