Your vented wall furnace comes packed in a single carton. Included in the box: the thermostat, thermostat wire, and
insulated staples. Before installing the wall furnace check the rating plate to verify that the Model Number is correct and
that the wall furnace is equipped for the type gas you intend to use.
SINGLE WALL FURNACE
MODEL NUMBERS
Gas Type
Type of Control
Height
Width
Depth
Input (BTU / HR)
Type of Pilot
Vent size
Gas Inlet
Approximate Shipping Weight
Rear
Model Num.
Register Kit
Weight
Fan Kit
Model Num.
Weight
DUAL WALL FURNACE
MODEL NUMBERS
Gas Type
Type of Control
Height
Width
Depth
Input (BTU / HR)
Type of Pilot
Vent size
Gas Inlet
Approximate Shipping Weight
Fan Kit
Model Num.
Weight
SPECIFICATIONS & DIMENSIONS
W255
W355
Natural
Millivolt Wall Stat.
68" h
68" h
16.5" w
16.5" w
6.5" d
6.5" d
25,000
35,000
Standing
Standing
4"
4"
1/2"
1/2"
90lbs
90lbs
40542
40542
5lbs
5lbs
WFF81
WFF81
10 lbs
10 lbs
W505
W506
Natural
Propane
Millivolt Wall Stat.
68" h
68" h
16.5" w
16.5" w
6.5" d
6.5" d
50,000
50,000
Standing
Standing
4"
4"
1/2"
1/2"
134 lbs
134 lbs
WFF81
WFF81
10 lbs
10 lbs
Page 3
W256
Propane
Millivolt Wall Stat
68" h
16.5" w
6.5" d
25,000
Standing
4"
1/2"
90lbs
40542
5lbs
WFF81
10 lbs
NOTES:
- If optional rear register kit is to be
used, see supplemental installation
instructions (No. 84504) and section
marked "Special Instructions for Rear
Register
Kit
Application"
installation of Rough-In.
- This heater may be installed without
recessing into stud space by using
optional FSK (Free Standing Kit).
Back to Index
W356
68" h
16.5" w
6.5" d
33,000
Standing
4"
1/2"
90lbs
40542
5lbs
WFF81
10 lbs
prior
to
1017754-A