Ducane
Furnace

Model # UHZB100A4 Official Ducane 1/2-hp upflow horizontal oil furnace

Here are the diagrams and repair parts for Official Ducane UHZB100A4 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 70 parts  |

Screw B1008786

#47

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Screw

Part #B1008786

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

12 X 9 Dd Blower W/legs & Motor Mount 20122303

#18

All parts diagram

12 x 9 dd blower w/legs & motor mount

Part #20122303

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

Parkerized Screw (58) B1008464

#46

All parts diagram

Parkerized screw (58)

Part #B1008464

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

Reverse Flow Limit (140) W/insulator 20121901

#25

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Reverse flow limit (140) w/insulator

Part #20121901

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

Draft Regulator (not Shown) B1814584

#56

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Draft regulator (not shown)

Part #B1814584

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

Spacer Bracket (2) 20196402

#57

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Spacer bracket (2)

Part #20196402

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

Combustion Chamber 20199001

#42

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Combustion chamber

Part #20199001

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

Rosette Flue Outlet B4155237

#10

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Rosette flue outlet

Part #B4155237

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

Control Assembly (includes No. 28-32) 20122801

#27

All parts diagram

Control assembly (includes no. 28-32)

Part #20122801

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

Repair guides for side-by-side refrigerators

How to replace a foamed-in-place door gasket in a side-by-side refrigerator

How to replace a foamed-in-place door gasket in a side-by-side refrigerator

The door gasket seals the gap around the door to keep the cold air in and the warm air out. Replace a worn or damaged do…

Repair difficulty
Time required
 30 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
How to replace a defrost sensor in a side-by-side refrigerator

How to replace a defrost sensor in a side-by-side refrigerator

If frost is building up in the freezer of your side-by-side refrigerator, the defrost sensor could be at fault. You can …

Repair difficulty
Time required
 45 minutes or less

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