FURNACES

80% EFFICIENCY GAS FURNACES

WUH series furnaces may be installed in either upflow or horizontal applications without modification. The WDH series furnaces are dedicated downflow units. Both 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. They are a great choice if replacing a furnace in a residence, apartment, or rental property.

Also See: Heating Basics

FEATURES

• Natural gas ready and can be converted to LP Gas with optional conversion kit.

• Compact cabinet height of only 40 inches.

• Available in upflow/horizontal and in downflow only applications.

• Self-diagnostic control module safely monitors unit operation and reduces time on servicing and troubleshooting.

• In-shot main burners for quiet, efficient operation.

• Aluminized steel tubular heat exchanger for long life.

• Maintenance-free multiple-speed, permanently lubricated direct-drive blower motor.

• Inducer fan quietly regulates combustion for improved efficiency.

• Electronic hot surface ignitor for dependable operation and reduced energy costs.

  Not Certified for Mobile Home Use.

  Not Certified for Use In California.

HOW TO SELECT AN 80% EFFICIENT GAS FURNACE

Estimating the Furnace Size

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.

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.

80% EFFICIENCY GAS FURNACES (SINGLE STAGE) SELECTION

 SQUARE FOOTAGE OF YOUR HOME

FURNACE SIZE

REGION 1

REGION 2

REGION 3

REGION 4

REGION 5

780-1170

840-1260

940-1410

1140-1710

1280-1925

60,000 BTU

1170-1560

1260-1680

1410-1880

1710-2280

1925-2550

80,000 BTU

1560-1950

1680-2100

1880-2350

2280-2850

2550-3200

100,000 BTU

1950-2250

2100-2425

2350-2700

2850-3275

3200-3675

115,000 BTU

(Only Choose One Furnace)

Item #

Dimensions (Inches)

(h x w x d)

Avail. Tons

Wt. (lbs.)

WUH 060-3C

40 x 14.5 x 28.5

1.5-3.0

110

Item #

Dimensions (Inches)

(h x w x d)

Avail. Tons

Wt. (lbs.)

WDH 060-3C

40 x 14.5 x 28.5

1.5-3.0

108

Item #

Description

Wt. (lbs.)

LP 347

1

CB 414

Combustible Base - For Downflow (Heat Only) Applications

For floors constructed of combustible material.

8

RA 16

50

Additional Heating and Cooling Accessories

(Only Choose One Furnace)

Item #

Dimensions (Inches)

(h x w x d)

Avail. Tons

Wt. (lbs.)

WUH 080-3C

40 x 14.5 x 28.5

1.5-3.0

120

Item #

Dimensions (Inches)

(h x w x d)

Avail. Tons

Wt. (lbs.)

WDH 080-3C

40 x 14.5 x 28.5

1.5-3.0

123

Item #

Description

Wt. (lbs.)

LP 347

1

CB 414

Combustible Base - For Downflow (Heat Only) Applications

For floors constructed of combustible material.

8

RA 16

50

Additional Heating and Cooling Accessories

(Only Choose One Furnace)

Item #

Dimensions (Inches)

(h x w x d)

Avail. Tons

Wt. (lbs.)

WUH 100-3C

40 x 17.5 x 28.5

1.5-3.0

140

Item #

Dimensions (Inches)

(h x w x d)

Avail. Tons

Wt. (lbs.)

WDH 100-3C

40 x 17.5 x 28.5

1.5-3.0

140

Item #

Description

Wt. (lbs.)

LP 347

1

CB 417

Combustible Base - For Downflow (Heat Only) Applications

For floors constructed of combustible material.

9

RA 16

50

Additional Heating and Cooling Accessories

(Only Choose One Furnace)

Item #

Dimensions (Inches)

(h x w x d)

Avail. Tons

Wt. (lbs.)

WUH 115-4C

40 x 21 x 28.5

2.5-4.0

156

Item #

Dimensions (Inches)

(h x w x d)

Avail. Tons

Wt. (lbs.)

WDH 115-4C

40 x 21 x 28.5

2.5-4.0

18.75 x 20

156

Item #

Description

Wt. (lbs.)

LP 347

1

CB 421

Combustible Base - For Downflow (Heat Only) Applications

For floors constructed of combustible material.

10

RA 16

50

Additional Heating and Cooling Accessories

Available PDF downloads for:

WUH/WDH 80% Efficiency Gas Furnaces

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