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12425-10-1008 Page 5
Introduction
Vented wall furnace is shipped ready to install in a 2" x 4" stud wall,
with studs 16" (406mm) center to center. Always consult your local
Building Department regarding regulations, codes or ordinances
which apply to the installation of a vented wall furnace.
Instructions to Installer
1. Installer must leave instruction manual with owner after instal-
lation.
2. Installer must have owner fill out and mail warranty card sup-
plied with furnace.
3. Installer should show owner how to start and operate furnace
and thermostat.
Warning:
Any change to this furnace or its control can be dangerous.
This is a heating appliance and any panel, door or guard
removed for servicing an appliance must be replaced prior
to operating the appliance.
General Information
This series is design certified in accordance with American National
Standard / CSA Standard Z21.86 and CSA 2.32 by the Canadian
Standards Association, as a Vented Wall Furnace and must be
installed according to these instructions.
Any alteration of the original design, installed other than as
shown in these instructions or use with a type of gas not shown
on the rating plate is the responsibility of the person and com
-
pany making the change.
Important
All correspondence should refer to complete Model No., Serial
No. and type of gas.
Notice: During initial firing of this furnace, its paint will bake
out and smoke will occur. To prevent triggering of smoke alarms,
ventilate the room in which the furnace is installed.
Installation in Residential Garages
Gas utilization equipment in residential garages shall be installed
so that all burners and burner ignition devices are located not less
than 18" (457mm) above the floor.
Such equipment shall be located, or protected, so it is not subject
to physical damage by a moving vehicle.
Qualified Installing Agency
Installation and replacement of gas piping, gas utilization equipment
or accessories and repair and servicing of equipment shall be
performed only by a qualified agency. The term "qualified agency"
means any individual, firm, corporation or company which either in
person or through a representative is engaged in and is responsible
for (a) the installation or replacement of gas piping or (b) the
connection, installation, repair or servicing of equipment, who is
experienced in such work, familiar with all precautions required
and has complied with all the requirements of the authority having
jurisdiction.
State of Massachusetts: The installation must be made by
a licensed plumber or gas fitter in the Commonwealth of
Massachusetts.
The installation must conform to local codes or, in the absence of
local codes, with the National Fuel Gas Code ANSI Z223.1/NFPA
54* Natural Gas and Propane Installation Code, CSA B149.1.
*Available from the American National Standards Institute, Inc., 11 West 42nd St.,
New York, N.Y. 10036.
High Altitudes
For altitudes/elevations above 2,000 feet (610m), input ratings
should be reduced at the rate of 4 percent for each 1,000 (305m)
feet above sea level. Canadian High Altitudes for locations having
an elevation above mean sea level between 2,000 feet (610m) and
4,500 feet (1370m), the manifold pressure is to be decreased from
3.5" w.c. (.871kPa) to 3.0" w.c. (.747kPa) for Natural Gas and from
10.0" w.c. (2.49kPa) to 8.0" w.c. (1.992kPa) for Propane Gas.
INTRODUCTION
SPECIFICATIONS
Model GWT-25 GWT-35
Input BTU/HR (KW/H) 25,000 (7.3) 35,000 (10.3)
Height 66 1/8" (1679mm) 66 1/8" (1679mm)
Width
16" (406mm) 16" (406mm)
Depth 6" (152mm) 6" (152mm)
Gas Inlet Pipe 1/2" 1/2"
Vent Pipe Type B Oval
4" (102mm) 4" (102mm)
Accessories
Blower Kit GWTB-2 GWTB-2
Rear Register Kit GWTR-1 GWTR-1
Out-of-the-Wall Kit GWTW-2 GWTW-2
Attention: When the GWTW-2, Out-of-the-Wall kit is used the GWTR-1 Rear Register kit
cannot be used.