Get free shipping on your order, with any water filter subscription. Find my filter

Open Hamburger Menu
Sears Parts Direct
Tips to find your model number

Ducane UHZB100A4 1/2-hp upflow horizontal oil furnace Parts

Here are the diagrams and repair parts for Ducane UHZB100A4 1/2-hp upflow horizontal oil furnace, as well as links to manuals and error code tables, if available.

Ducane UHZB100A4 1/2-hp upflow horizontal oil furnace
By Schematic
SELECT DIAGRAM
?

This is the number corresponding to the part on the diagram / schematic

Browse Parts for UHZB100A4 1/2-HP Upflow Horizontal Oil Furnace

  • Gasket, Tube Plate (2) for Ducane UHZB100A4 - Part 20123602

    #37

    All parts diagram

    Gasket, Tube Plate (2)

    Part #20123602

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

  • Observation Door for Ducane UHZB100A4 - Part 20121601

    #12

    All parts diagram

    Observation Door

    Part #20121601

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

  • Spacer Bracket (2) for Ducane UHZB100A4 - Part 20196402

    #57

    All parts diagram

    Spacer Bracket (2)

    Part #20196402

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

  • Front Door  Dark Beige for Ducane UHZB100A4 - Part 20121001

    #5

    All parts diagram

    Front Door Dark Beige

    Part #20121001

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

  • Control Box for Ducane UHZB100A4 - Part 20122901

    #28

    All parts diagram

    Control Box

    Part #20122901

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

  • Gasket, Drum Outlet for Ducane UHZB100A4 - Part 20123801

    #39

    All parts diagram

    Gasket, Drum Outlet

    Part #20123801

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

  • Washer, 1/4 "b" Flat 1" O.d. (3) for Ducane UHZB100A4 - Part B1033730

    #69

    All parts diagram

    Washer, 1/4 "b" Flat 1" O.d. (3)

    Part #B1033730

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

  • Reverse Flow Limit (140) W/insulator for Ducane UHZB100A4 - Part 20121901

    #25

    All parts diagram

    Reverse Flow Limit (140) W/insulator

    Part #20121901

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

  • Flue Box for Ducane UHZB100A4 - Part 20123504

    #36

    All parts diagram

    Flue Box

    Part #20123504

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

  • Door Handle for Ducane UHZB100A4 - Part B1008866

    #15

    All parts diagram

    Door Handle

    Part #B1008866

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

Symptoms for top-mount refrigerators

Main causes: frozen or clogged defrost drain tube, cracked water system tubing…

Repair guides for top-mount refrigerators

How to replace the light switch in a top-freezer refrigerator

How to replace the light switch in a top-freezer refrigerator

The light switch turns the refrigerator light on and off and monitors door position. Replace the light switch if it does…

Repair time and Difficulty

 15 minutes or less
How to replace the water inlet valve in a top-freezer refrigerator

How to replace the water inlet valve in a top-freezer refrigerator

The water inlet valve controls water flow to the ice maker. Replace the water valve if it doesn't open or shut properly.…

Repair time and Difficulty

 15 minutes or less
How to replace the compressor run capacitor in a top-freezer refrigerator

How to replace the compressor run capacitor in a top-freezer refrigerator

The run capacitor sends electric current to the compressor motor to help the motor run efficiently. Replace the run capa…

Repair time and Difficulty

 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.…

2023 HVAC regulation changes and how they may affect you

2023 HVAC regulation changes and how they may affect you

Find out how new DOE standards going into effect in 2023 can affect you and what you need to do.…

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.…

Parts & More

Parts