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Installation (Minimum Clearances) continued-
Minimum Clearances
This installation must allow access to the front of the water heater and adequate
clearance must be provided for servicing and operating this water heater. The
water heater may be installed on either a combustible or non-combustible floor. If
the water heater is to be installed directly on carpeting, it must be installed on
top of a metal or wood panel extending beyond the full width and depth of the
appliance by at least three (3) inches (7.6 cm) in any direction or, if the appliance
is to be installed in an alcove or closet, the entire floor must be covered by the
panel. The minimum clearances to combustibles for this water heater is: zero (0)
inches (0 cm) from the sides and rear, five (5) inches (12.7 cm) from the front of
the jacket, zero (0) inches (0 cm) from the vent connector and fifteen (15) inches
(38.1 cm) from the jacket top.
Venting
The National Fuel Gas Code ANSI Z223.1-(Latest Edition), CGA/CAN B149
Installation Code, and local codes have specific requirements for the location of
the vent terminals on vertical walls. The guidelines listed below are from the
National Fuel Gas Code. Consult the local codes, and/or National Fuel Gas
Code ANSI Z223.1-(Latest Edition), or CGA/CAN B149 Installation Code to
determine if there are any additions or changes to the following specifications.
(A) The vent terminals must terminate at least 3 feet (.91 m) above any forced
air inlet duct located within 10 feet (3 m). Exception: This provision shall
not apply to the combustion air intake of a direct vent appliance.
(B) The vent terminals must terminate at least 12 inches (.31 m) below, 12
inches (.31 m) horizontally from, or 12 inches (.31 m) above any door,
window, or any gravity air inlet into the building.
(C) The bottom of the vent terminal and the air intake shall be located at least
12 inches (.31 m) above grade.
Note: Must be installed in a location where it will not be blocked by
snow.
(D) The vent terminals must not terminate over a public walkway or over an
area where condensate or vapor could create a nuisance or hazard or
could be detrimental to the operation of regulators, relief valve, or other
equipment.
(E) The water heater location must provide easy access for the entire length
of the vent connector.
WARNING
Failure to adhere to these installation and operating instructions may
create a hazard to life and property and will nullify the warranty.
INTERNET VERSION FOR REFERENCE ONLY