ICP
Furnace

Model # GUK125N20A1 Official ICP furnace

Here are the diagrams and repair parts for Official ICP GUK125N20A1 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 84 parts  |

Cap Rnrd 1094956
#6

Furnace 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
Trans 40 Va 1008782
#8

Furnace diagram

Trans 40 va

Part #1008782

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

Transition 1008702
#15

Furnace diagram

Transition

Part #1008702

Replaced by #1011850

?
Manufacturer substitution
This part replaces 1008702. Substitute parts can look different from the original.
In Stock
Blower Wheel 1009147
#3

Furnace diagram

Blower wheel

Part #1009147

Replaced by #1011420

?
Manufacturer substitution
This part replaces 1009147. Substitute parts can look different from the original.
$160.43
6% OFF Phone Price : $170.43
In Stock
Ht Ex M Ss + 1008878
#S

Furnace diagram

Ht ex m ss +

Part #1008878

Replaced by #1014491

?
Manufacturer substitution
This part replaces 1008878. Substitute parts can look different from the original.
In Stock
Grommet 1009535

#NI

All parts diagram

Grommet

Part #1009535

This item is not returnable
In Stock
Gskt Lmt Swt 1008778
#Y

Furnace diagram

Gskt lmt swt

Part #1008778

This item is not returnable
In Stock
Switch Doo 1010712
#9

Furnace diagram

Switch doo

Part #1010712

In Stock
Gsket Air In 1008746
#KK

Furnace diagram

Gsket air in

Part #1008746

This item is not returnable
In Stock
Control Limi 34332903
#26

Furnace diagram

Control limi

Part #34332903

In Stock

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.…