Can’t find your part? Contact us:

+1-309-603-4777

Furnace

Model # UHZB125A5 Official Ducane 3/4-hp upflow horizontal oil furnace

Here are the diagrams and repair parts for Official Ducane UHZB125A5 3/4-hp upflow horizontal oil furnace, as well as links to manuals and error code tables, if available.

There are a couple of ways to find the part or diagram you need:

Click a diagram to see the parts shown on that diagram.
In the search box below, enter all or part of the part number or the part’s name.

Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

We encourage you to save the model to your profile, so it’s easy to access parts and manuals for your appliance whenever you log in.

For DIY troubleshooting advice and repair guides, visit our repair help section.

Model diagram and schematic

SEARCH WITHIN THIS MODEL

ALL PARTS

Showing 10 of 70 parts |

Cutoff 12 X 12 B4123093

#66

All parts diagram

Cutoff 12 x 12

Part #B4123093

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

Screw, #8 X 1/2 "b" Hex Slot Washer Hd (2) B1008722

#63

All parts diagram

Screw, #8 x 1/2 "b" hex slot washer hd (2)

Part #B1008722

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

Filter Rear & Access Panel (2) 20122502

#23A

All parts diagram

Filter rear & access panel (2)

Part #20122502

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

12 X 12 Dd Blower W/legs & Motor Mount 20122304

#18

All parts diagram

12 x 12 dd blower w/legs & motor mount

Part #20122304

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

Cleanout Port Cover (2) 20196301

#58

All parts diagram

Cleanout port cover (2)

Part #20196301

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

Gasket, Drum Outlet 20123801

#39

All parts diagram

Gasket, drum outlet

Part #20123801

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

Band, Chamber Mounting 20197803

#43

All parts diagram

Band, chamber mounting

Part #20197803

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

Control Box 20122901

#28

All parts diagram

Control box

Part #20122901

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

Box, Drum Collector (incl. In Item 33) N/P

Box, drum collector (incl. in item 33)

Part #N/P

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

Symptoms for electric water heaters

Why does my water heater's heating element fail often?

Main causes: excessive tank sediment, high voltage supply…

Why does the temperature of my hot water fluctuate?

Main causes: thermostats need adjustment, bad heating elements, faulty thermostats, tank sediment build-up, broken dip t…

Repair guides for electric water heaters

How to replace a water heater element

How to replace a water heater element

If your water heater runs out of hot water quickly and one of the two heating elements has failed, replace the element f…

Repair difficulty

Time required

30 minutes or less

How to replace an electric water heater thermostat

How to replace an electric water heater thermostat

If the water temperature fluctuates or you don't get enough hot water, follow these instructions to replace your water h…

Repair difficulty

Time required

30 minutes or less

How to replace a water heater temperature and pressure (T&P) relief valve

How to replace a water heater temperature and pressure (T&P) relief valve

Replace a broken temperature/pressure (T&P) relief valve on an electric water heater using these instructions.…

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.…

Top questions about Sears and Sears PartsDirect

Top questions about Sears and Sears PartsDirect

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

Stay Connected