Ducane
Furnace

Model # UHZB100A5 Official Ducane 3/4-hp upflow horizontal oil furnace

Here are the diagrams and repair parts for Official Ducane UHZB100A5 3/4-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 70 parts  |

Observation Door 20121601

#12

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Observation door

Part #20121601

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

Rosette Observation Tube 20121501

#11

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Rosette observation tube

Part #20121501

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

Bottom Rear Leg 20198002

#53

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Bottom rear leg

Part #20198002

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

Filter Rear & Access Panel (2) 20122502

#23A

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Filter rear & access panel (2)

Part #20122502

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

Cutoff 12 X 12 B4123093

#66

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Cutoff 12 x 12

Part #B4123093

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

Gasket, Rosette Observation Tube 20121701

#13

All parts diagram

Gasket, rosette observation tube

Part #20121701

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

Draft Regulator (not Shown) B1814584

#56

All parts diagram

Draft regulator (not shown)

Part #B1814584

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

Screw, 1/4-20 X 1/4 Hex Head (3) B1015956

#70

All parts diagram

Screw, 1/4-20 x 1/4 hex head (3)

Part #B1015956

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

Repair guides for bottom-mount refrigerators

How to replace a flipper mullion on a French-door refrigerator

How to replace a flipper mullion on a French-door refrigerator

If the flipper mullion breaks or its heater quits working, replace it in 15 minutes using these 4 easy steps.…

Repair difficulty
Time required
 15 minutes or less
How to replace a door gasket in a French-door refrigerator

How to replace a door gasket in a French-door refrigerator

The door gasket, often called a door seal, seals the gap around the door to keep the cold air in and the warm air out. R…

Repair difficulty
Time required
 15 minutes or less
How to replace a refrigerator water valve

How to replace a refrigerator water valve

Replace the water valve that feeds water to the ice maker and water dispenser if it no longer controls the flow of water…

Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your furnaces

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

Get answers to frequently asked questions about Sears and Sears PartsDirect.…