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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.
SPECIFICATIONS & DIMENSIONS
SINGLE WALL FURNACE
MODEL NUMBERS
W255 W355 W256 W356
Gas Type
Natural
Propane
Type of Control
Millivolt Wall Stat.
Millivolt Wall Stat
Height
68” h
68” h
68” h
68” h
Width
16.5” w
16.5” w
16.5” w
16.5” w
Depth
6.5” d
6.5” d
6.5” d
6.5” d
Input (BTU / HR)
25,000
35,000
25,000
33,000
Type of Pilot
Standing
Standing
Standing
Standing
Vent size
4”
4”
4”
4”
Gas Inlet
1/2”
1/2”
1/2”
1/2”
Approximate Shipping Weight
90lbs
90lbs
90lbs 90lbs
Rear
Model Num.
40542
40542
40542
40542
Register Kit
Weight
5lbs
5lbs
5lbs
5lbs
Fan Kit
Model Num.
WFF81
WFF81
WFF81
WFF81
Weight
10 lbs
10 lbs
10 lbs
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” prior to
installation of Rough-In.
- This heater may be installed without
recessing into stud space by using
optional FSK (Free Standing Kit).
DUAL WALL FURNACE
MODEL NUMBERS
W505 W506
Gas Type
Natural
Propane
Type of Control
Millivolt Wall Stat.
Height
68” h
68” h
Width
16.5” w
16.5” w
Depth
6.5” d
6.5” d
Input (BTU / HR)
50,000
50,000
Type of Pilot
Standing
Standing
Vent size
4”
4”
Gas Inlet
1/2”
1/2”
Approximate Shipping Weight
134 lbs
134 lbs
Fan Kit
Model Num.
WFF81
WFF81
Weight
10 lbs
10 lbs
