Can’t find your part?   Contact us:
+1-309-603-4777
Sears Parts Direct
Orders

  • Keep track of the models you own in your profile

    Sign in or Register to view or add models

Schedule a repair
Arcoaire
Furnace

Model # GUJ125N20B1 Official Arcoaire furnace

Here are the diagrams and repair parts for Official Arcoaire GUJ125N20B1 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

?

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

Search
ALL PARTS
Showing 10 of 63 parts  |
Furnace Burner 1008726

#12

All parts diagram

Furnace burner

Part #1008726

$142.32
In Stock
Panel Cutoff 721020008

#CC

All parts diagram

Panel cutoff

Part #721020008

$252.09
In Stock
Switch Doo 1010712

#3

All parts diagram

Switch doo

Part #1010712

$28.69
In Stock
Tubing 64930

#11

All parts diagram

Tubing

Part #64930

$77.80
In Stock
Furnace Blower Comb 1010239

#19

All parts diagram

Furnace blower comb

Part #1010239

$383.32
In Stock
Gskt Htx Bnr 2480907

#F

All parts diagram

Gskt htx bnr

Part #2480907

This item is not returnable
$7.46
In Stock
Rail Galv Bl 57059

#EE

All parts diagram

Rail galv bl

Part #57059

$952.55
In Stock
Switch 1005548

#22

All parts diagram

Switch

Part #1005548

Replaced by #1013101

?
Manufacturer substitution
This part replaces 1005548. Substitute parts can look different from the original.
$19.09
In Stock
Filter Rack 741010039

#U

All parts diagram

Filter rack

Part #741010039

Replaced by #741010039

?
Manufacturer substitution
This part replaces 741010039. Substitute parts can look different from the original.
$47.60
In Stock
Cap Rnrd 1094956

#6

All parts diagram

Cap rnrd

Part #1094956

Replaced by #12908

?
Manufacturer substitution
This part replaces 1094956. Substitute parts can look different from the original.
This item is not returnable
$5.26 | 
16% OFF Phone Price : $6.26
In Stock

Repair guides for bottom-mount refrigerators

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…

Read more
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…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a refrigerator defrost control assembly

How to replace a refrigerator defrost control assembly

Follow these steps to replace the defrost control assembly if your Kenmore or LG French door refrigerator displays an er…

Read more
Repair difficulty
Time required
 120 minutes or less

Effective articles & videos to help repair your furnaces

View all
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.…

Read more
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.…

Read more
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.…

Read more

Parts & More