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WUH/WDH (Single-Stage) |
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WUH series furnaces may be installed in
either upflow or horizontal applications without modification. The WDH
series furnaces are dedicated downflow units. Both models are A/C ready, employ induced combustion,
and multi-speed, direct drive blower motors with adjustable blower fan-off to
maximize comfort. In addition, they are factory assembled, wired and
tested to assure safe, dependable and economical operation. These single
stage furnaces are designed for both residential and commercial
installations and make a great choice if replacing a furnace in a residence,
apartment, or rental property.
When matching with an A/C System, make sure to
match the evaporator coil case width to the width of the furnace.
(The width of the furnace is shown in bold in the
specifications listed below.)
For assistance deciding what type of furnace
to select, see our page on
Heating Basics.
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FEATURES
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Natural gas ready and can be converted to
LP Gas with optional conversion kit.
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Compact cabinet height of only 40 inches.
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Available in upflow/horizontal and in downflow
only applications.
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Self-diagnostic control module safely monitors
unit operation and reduces time on servicing and troubleshooting.
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In-shot main burners for quiet, efficient
operation.
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Aluminized steel tubular heat exchanger for
long life.
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Maintenance-free multiple-speed, permanently
lubricated direct-drive blower motor.
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Inducer fan quietly regulates combustion for
improved efficiency.
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Electronic hot surface ignitor for dependable
operation and reduced energy costs.
Not Certified for Mobile Home Use.
Not Certified for Use In California.
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HOW TO SELECT AN
80% EFFICIENT GAS FURNACE
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Estimating the Furnace Size
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You can refer to an estimate or proposal from
a local contractor, refer to the size of your existing system that you may
want replaced, or use the sizing estimation chart provided on this page.
Use the map to determine your Region
based on the location of your home. Using the equipment charts, find your
Region and go down the column to locate the range that covers the
Square Footage of your home. Follow the row to the right to determine
the recommended Furnace for your application.
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NOTE: These tables and charts are intended
to be used as a guideline only. The information is based on conventional
window space (<15%), insulation and building construction. Only use these
tables as a reference. When including a finished basement, use 1/2 of the
finished basement square footage with the rest of the area being calculated.
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80% AFUE
GAS FURNACES SELECTION GUIDE
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SQUARE FOOTAGE
OF YOUR HOME
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FURNACE
SIZE
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REGION
1
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REGION 2
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REGION 3
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REGION 4
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REGION
5
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780-1170
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840-1260 |
940-1410 |
1140-1710 |
1280-1925 |
60,000 BTU
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1170-1560 |
1260-1680 |
1410-1880 |
1710-2280 |
1925-2550 |
80,000 BTU
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1560-1950 |
1680-2100 |
1880-2350 |
2280-2850 |
2550-3200 |
100,000 BTU
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1950-2250 |
2100-2425 |
2350-2700 |
2850-3275 |
3200-3675
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115,000 BTU
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60,000 BTU Gas Furnace
(Choose One Furnace)
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UPFLOW / HORIZONTAL
Applications
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Item #
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Input/Output BTU |
Dimensions
(in.)
(h x w x d)
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Avail.
Tons
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Outlet w x d (in.) |
Wt. (lbs.)
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WUH 060-3C
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60,000/48,000
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40 x 14.5 x 28.5 |
1.5-3.0 |
13.25 x 20 |
110
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DOWNFLOW ONLY
Applications
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Item #
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Input/Output BTU |
Dimensions
(in.)
(h x w x d)
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Avail.
Tons
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Outlet w x d (in.) |
Wt. (lbs.)
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WDH 060-3C
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60,000/48,000
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40 x 14.5 x 28.5 |
1.5-3.0 |
12.25 x 20 |
108
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80,000 BTU Gas Furnace
(Choose One Furnace)
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UPFLOW / HORIZONTAL
Applications
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Item
#
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Input/Output BTU |
Dimensions
(in.)
(h x w x d)
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Avail.
Tons
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Outlet
w x d (in.) |
Wt. (lbs.)
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WUH 080-3C
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80,000/64,000
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40 x 14.5 x 28.5 |
1.5-3.0 |
13.25 x 20 |
120
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DOWNFLOW ONLY
Applications
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Item
#
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Input/Output BTU |
Dimensions
(in.)
(h x w x d)
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Avail.
Tons
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Outlet
w
x d (in.) |
Wt. (lbs.)
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WDH 080-3C
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80,000/64,000
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40 x 14.5 x 28.5
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1.5-3.0 |
12.25 x 20 |
123
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UPFLOW / HORIZONTAL
Applications
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Item
#
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Input/Output BTU |
Dimensions
(in.)
(h x w x d)
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Avail.
Tons
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Outlet
w x d (in.) |
Wt. (lbs.)
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WUH 100-3C
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100,000/80,000
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40 x 17.5 x 28.5 |
1.5-3.0 |
16.25 x 20 |
140
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DOWNFLOW ONLY
Applications
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Item
#
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Input/Output BTU |
Dimensions
(in.)
(h x w x d)
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Avail.
Tons
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Outlet
w x d (in.) |
Wt. (lbs.)
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WDH 100-3C
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100,000/80,000
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40 x 17.5 x 28.5 |
1.5-3.0 |
15.25 x 20 |
140
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115,000 BTU Gas
Furnace
(Choose One Furnace)
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UPFLOW / HORIZONTAL
Applications
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Item #
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Input/Output BTU |
Dimensions
(in.)
(h x w x d)
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Avail.
Tons
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Outlet
w x d (in.) |
Wt. (lbs.)
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WUH 115-4C
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115,000/92,000
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40 x 21 x 28.5 |
2.5-4.0 |
19.75 x 20 |
156
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DOWNFLOW ONLY
Applications
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Item #
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Input/Output BTU |
Dimensions
(in.)
(h x w x d)
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Avail.
Tons
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Outlet
w x d (in.) |
Wt. (lbs.)
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WDH 115-4C
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115,000/92,000
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40 x 21 x 28.5 |
2.5-4.0 |
18.75 x 20
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156
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OPTIONAL Accessories
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Item #
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Description
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Wt. (lbs.)
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LP 347
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LP (Propane) Conversion Kit |
1
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CB 414 |
14.5" Combustible Base - For Downflow
(Heat Only) Applications
For floors constructed of
combustible material. |
8 |
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CB 417 |
17.5" Combustible Base - For Downflow
(Heat Only) Applications
For floors constructed of
combustible material. |
9 |
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CB 421 |
21" Combustible Base - For Downflow (Heat
Only) Applications
For floors constructed of combustible
material.
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10 |
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WKDP 20
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Universal Trim-to-Fit Plenum
(Heat Only) Applications
For Furnace Openings up to 20"w x
20"d. |
28
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RA 16
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Return Air Drop - For Upflow Applications
Only |
50
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Additional
Heating and Cooling Accessories
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