Single wall, Dual wall, Specifications – Louisville Tin and Stove 25 User Manual
Page 2: Rough in
Single Wall Furnace models
may be equipped with a
Rear Register Kit and Grille
(40542) allowing warm air
to circulate into the adjoin-
ing room. Adjustable vent
controls air flow.
ROUGH IN
Easy installation method reduces installation time to
minutes . . . only one man needed. New positive fastening
tabs hold grille in place . . . makes installation a snap!
Resettable Blocked Flue
Safety Device automatically
shuts the unit off in the
event of flue blockage or
incorrect vent installation.
Continuous Seam-Welded
Combustion Chamber
constructed of heavy gauge
aluminized steel, maximizes
heat transfer. Warranted for
ten (10) years.
Free Standing Kit (FSK)
allows single wall furnaces
to be surface mounted.
Eliminates cutting holes in
wall — ideal for masonry
wall installation. For use
with ceilings up to 8'6" tall;
adds 4-3/4" to unit depth.
(vent pipe not included).
Weight: 16 lbs.
Fan accessory kit (WFF81)
available for installation on
top of furnace to increase
circulation. Adds only 10
1
/
2
”
to height of casing. Fits
flush against wall — not
recessed. Operates at
50 CFM on 115V.
Optional Night Setback
Thermostat (XL 110 / XL411)
provides economic as well
as convenient operation.
W251
Bulb
Nat.
25,000
4"
1/2"
16
1
/
2
" W
✕
68" H
✕
6
1
/
2
" D
90 lbs.
40542
5 lbs.
WFF81
10 lbs.
W255
M. Volt
Nat.
25,000
4"
1/2"
16
1
/
2
" W
✕
68" H
✕
6
1
/
2
" D
90 lbs.
40542
5 lbs.
WFF81
10 lbs.
W252
Bulb
L.P.
25,000
4"
1/2"
16
1
/
2
" W
✕
68" H
✕
6
1
/
2
" D
90 lbs.
40542
5 lbs.
WFF81
10 lbs.
W256
M. Volt
L.P.
25,000
4"
1/2"
16
1
/
2
" W
✕
68" H
✕
6
1
/
2
" D
90 lbs.
40542
5 lbs.
WFF81
10 lbs.
W351
Bulb
Nat.
35,000
4"
1/2"
16
1
/
2
" W
✕
68" H
✕
6
1
/
2
" D
90 lbs.
40542
5 lbs.
WFF81
10 lbs.
W355
M. Volt
Nat.
35,000
4"
1/2"
16
1
/
2
" W
✕
68" H
✕
6
1
/
2
" D
90 lbs.
40542
5 lbs.
WFF81
10 lbs.
W352
Bulb
L.P.
35,000
4"
1/2"
16
1
/
2
" W
✕
68" H
✕
6
1
/
2
" D
90 lbs.
40542
5 lbs.
WFF81
10 lbs.
W356
M. Volt
L.P.
35,000
4"
1/2"
16
1
/
2
" W
✕
68" H
✕
6
1
/
2
" D
90 lbs.
40542
5 lbs.
WFF81
10 lbs.
W501
Bulb
Nat.
50,000
4"
1/2"
16
1
/
2
" W
✕
68" H
✕
6
1
/
2
" D
134 lbs.
N/A
N/A
WFF81
10 lbs.
W505
M. Volt
Nat.
50,000
4"
1/2"
16
1
/
2
" W
✕
68" H
✕
6
1
/
2
" D
134 lbs. N/A
N/A
WFF81
10
lbs.
W502
Bulb
L.P.
50,000
4"
1/2"
16
1
/
2
" W
✕
68" H
✕
6
1
/
2
" D
134 lbs.
N/A
N/A
WFF81
10 lbs.
W506
M. Volt
L.P.
50,000
4"
1/2"
16
1
/
2
" W
✕
68" H
✕
6
1
/
2
" D
134 lbs.
N/A
N/A
WFF81
10 lbs.
Model
Type
Type
BTU/Hr.
Vent
Gas
Finished
Shipping
Number
Control
Gas
Input
Size
Inlet
Dimensions
Weight
Model
Weight
Model
Weight
Rear Register Kit
Fan Kit
SINGLE
WALL
One or two fan kits may be used on dual-wall furnace.
DUAL
WALL
SPECIFICATIONS
14
1
/
4
" MIN.
14
1
/
2
" MAX.
65
3
/
4
"
45
3
/
4
"
12
5
/
8
"
8
1
/
4
"
PLASTER
PLATE
REAR
REGISTER
FRAME
OPENING
FOR REAR
REGISTER
MODEL
OPENING
7/8
" FROM
EACH STUD
NAIL TO
STUDS
PLASTER
STUD
PLASTER
4
"
4
"
ROUGH-IN DIMENSIONS
REAR REGISTER OUTLET LOCATION
Form No. GWF 15M 10/05
Engineered for years of efficient, trouble free service
Featuring 20 gauge aluminized combustion chambers, warranted for 10 years.