Ducane
Furnace

Model # UHZB085A4 Official Ducane 1/2-hp upflow horizontal oil furnace

Here are the diagrams and repair parts for Official Ducane UHZB085A4 1/2-hp upflow horizontal oil furnace, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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Showing 10 of 69 parts  |

Cutoff 12 X 9 B4123075

#64

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Cutoff 12 x 9

Part #B4123075

The manufacturer no longer makes this part, and there's no substitute part

Leg Clamp (4) 20197901

#50

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Leg clamp (4)

Part #20197901

The manufacturer no longer makes this part, and there's no substitute part

Motor Mount Band B0209507

#72

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Motor mount band

Part #B0209507

The manufacturer no longer makes this part, and there's no substitute part

Continuous Low Speed Fan Switch B1810882

#32

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Continuous low speed fan switch

Part #B1810882

The manufacturer no longer makes this part, and there's no substitute part

Screw #8 X 3/4 "a" Hex Slot Washer Hd (2) B1008740

#67

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Screw #8 x 3/4 "a" hex slot washer hd (2)

Part #B1008740

The manufacturer no longer makes this part, and there's no substitute part

Filter Rear & Access Panel (2) 20122501

#23

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Filter rear & access panel (2)

Part #20122501

The manufacturer no longer makes this part, and there's no substitute part

Bottom Cover Gasket 20197401

#41

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Bottom cover gasket

Part #20197401

The manufacturer no longer makes this part, and there's no substitute part

Blower Wheel 12 X 9 Convex 1/2" Bore B4308545

#62

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Blower wheel 12 x 9 convex 1/2" bore

Part #B4308545

The manufacturer no longer makes this part, and there's no substitute part

Front Door  Dark Beige 20121001

#5

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Front door dark beige

Part #20121001

The manufacturer no longer makes this part, and there's no substitute part

Filter Top & Bottom Panel (2) 20122401

#22

All parts diagram

Filter top & bottom panel (2)

Part #20122401

The manufacturer no longer makes this part, and there's no substitute part

Symptoms for gas grills

Choose a symptom to see related gas grill repairs.

Main causes: nearly empty fuel tank, faulty pressure regulator, burner tube clogs, bad burner tube alignment to gas valv…

Main causes: damaged or dirty flame tamers, corroded firebox, accumulated grease and debris in the grease pan…

Main causes: clogged burner tubes, cracked insulators on igniter electrodes, wiring failures, bad ignition module, manif…

Main causes: empty fuel tank, tripped flow-limiting device on the pressure regulator, faulty manifold valves, burner tub…

Repair guides for gas grills

These step-by-step repair guides will help you safely fix what’s broken on your gas grill.

How to replace a gas grill ignition module

How to replace a gas grill ignition module

Follow these steps to replace the ignition module if it doesn't produce a spark. …

Repair difficulty
Time required
 15 minutes or less
How to replace a gas grill burner

How to replace a gas grill burner

Replace a damaged burner on your gas grill in less than 15 minutes and with just pliers and a screwdriver for tools.…

Repair difficulty
Time required
 15 minutes or less
How to replace a gas grill wheel

How to replace a gas grill wheel

Replace a broken or damaged wheel in less than 15 minutes.…

Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your furnaces

Use the advice and tips in these articles and videos to get the most out of your gas grill.

How to get your furnace ready for winter

How to get your furnace ready for winter

Get expert tips for preparing your furnace for winter. Follow maintenance tips to keep your furnace in top shape.…

Introducing new technical repair content that we’re developing for the Sears Technical Institute

Introducing new technical repair content that we’re developing for the Sears Technical Institute

Learn about Sears Technical Institute and the advanced technical content being developed for aspiring appliance techs.…

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Top questions about Sears and Sears PartsDirect

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