B 1. Locate the heater where venting, gas and
plumbing connections are feasible and convenient.
B 2. The hot water lines should be kept short and
insulated to save energy. Centrally locating the water
heater is recommended to keep hot water
distribution times even throughout the structure.
Warning: The water in this water
heater is cold and always remains cold
except for the times the burner is on. In
conjunction with freezing temperatures,
it is recommended that the heater be
See chapter 6.2, page 34 "Winterizing"
for draining instructions.
gasoline, pressurized containers, or any
other items or articles that are potential
fire hazards must NOT be placed on or
adjacent to the heater. The appliance
combustible materials, gasoline and
other flammable vapors and liquids.
Heater placement and clearances
The GWH 715 ES is approved for installation on a
combustible wall (see chapter 3.7 Mounting
installation) provided the floor covering below
the heater is noncombustible. For installations in an
alcove or closet, maintain the minimum clearances to
combustible and non-combustible materials. See
chapter 2.5, page 8.
Clearances from any exhaust vent pipe are dependent
upon the clearance requirements of the stainless steel
vent pipe manufacturer. Single wall stainless steel
(AL29-4C) vent pipe (vent type rated for Category III
appliances) must be used when exhaust venting this
appliance. See chapter 3.3 (page 9) Venting.
Warning: before mounting
B Check that there are no loose or
B Confirm the gas type of the heater
matches the gas supply you will be
connecting the heater, see Fig. 2,
Front cover should be removed (see
instructions on page 6) in order to inspect
Warning: Do not install this appliance
on a carpeted wall. The heater must be
mounted on a wall using appropriate
If wall is sheathed with plaster or drywall, it is
recommended that two support boards, either 1"x4" or
1/2" (minimum) plywood first be attached across a pair
of studs, see Fig. 25, page 22.
B Secure the wall mounting bracket provided with the
heater to the wall surface. The heater must be kept
level on the wall surface, see Fig. 26, page 23.
B Hang the appliance on the bracket, see Fig. 27, page
Fig. 25 Distance between support boards
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