Winchester by Mortex Products Inc. / Fort Worth, TX 76106
WG Installation Instructions
Winchester Gas Furnace
Installation Instructions
INSTALL FURNACE
Prior to installing furnace, fuel and A/C line opening
may be cut in. See Fig. D
1. Remove upper and lower furnace doors.
2. Slide furnace onto floor base and push back until
cabinet is against rear flange of floor base.
3. Secure furnace to floor with fastners
such as screws at right and left front inside
corners of cabinet.
4. Attach pipe strap at top of furnace to alcove or
closet framing, or fasten through furnace front
edge cabinet sides to wood framing.
RJ - SERIES ROOF JACK
G18D’s are sealed combustion furnaces tested and
listed for use
ONLY
with
RJ — Series Roof Jack Venting
System.
Furnace exhaust gases vent outdoors through
the inner pipe of the RJ — Series “pipe-within-a-pipe”
vent system. The space between the outer and inner
pipes is used to bring in outside combustion air for the
burner.
7
Do not install furnace with any other type of
venting system.
A HAZARDOUS CONDITION MAY
RESULT.
FURNACE
W/COIL CASE
SIDE
VIEW
FURNACE
W/COIL CASE
SIDE
VIEW
56“
A
A
COMBUSTION AIR
COMBUSTION AIR
COMBUSTION AIR
COMBUSTION AIR
EXHAUST GASES
EXHAUST GASES
WARM AIR DUCT
DUCT CONNECTOR
WARM AIR DUCT
DUCT CONNECTOR
FLOOR
FLOOR
FLOOR PLATE
FLOOR PLATE
THIS JOINT MAY BE
ABOVE CEILING
17 1/2”
19 1/2”
3/12 PITCH ROOF
FLAT-BOW RAFTER ROOF
FURNACE SERIES
FURNACE SERIES
WGSH, 56" H
WGFD, 77 1/2" H
PART NO.
TELESCOPING
FOR: FLAT OR
"A"
"A"
ROOF JACK BODY
RANGE
SLOPED ROOF
ADJUSTABLE HEIGHT
ADJUSTABLE HEIGHT
90-RJF1729-AL
17" - 29"
FLAT
73" - 85"
94 1/2" - 106 1/2"
90-RJF2551-AL
25" - 51"
FLAT
81" - 107"
102 1/2" - 128 1/2"
90-RJS1729-AL
17" - 29"
3/12
73" - 85"
94 1/2" - 106 1/2"
90-RJS2551-AL
25" - 51"
3/12
81" - 107"
102 1/2" - 128 1/2"
90-RJS3868-AL
38" - 68"
3/12
94" - 124"
115 1/2" - 145 1/2"
90-RJS6399-AL
63" - 99"
3/12
119" - 155"
140 1/2 - 176 1/2"
PART NO.
MUST USE
ROOF JACK CROWN
WITH:
90-RJCRWN-AL
ROOF JACK BODY
THE SEALED COMBUSTION VENT SYSTEM CONSISTS OF:
ROOF JACK BODY AND ROOF JACK CROWN
or
77 1/2”
56“
or
77 1/2”
