ICP
Furnace

Model # GNJ100M20C2 Official ICP gas furnace

Here are the diagrams and repair parts for Official ICP GNJ100M20C2 gas 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 62 parts  |

Cap Rnrd 1094956
#8

Unit 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
Furnace Blower Assembly 1010975
#19

Unit parts diagram

Furnace blower assembly

Part #1010975

Replaced by #1013833

?
Manufacturer substitution
This part replaces 1010975. Substitute parts can look different from the original.
$237.41
5% OFF Phone Price : $249.41
In Stock
Valve-nat 1011024
#16

Unit parts diagram

Valve-nat

Part #1011024

Replaced by #1170430

?
Manufacturer substitution
This part replaces 1011024. Substitute parts can look different from the original.
$674.90
$12.00 OFF Phone Price : $686.90
In Stock
Blower Wheel 1009147
#2

Unit parts diagram

Blower wheel

Part #1009147

Replaced by #1011420

?
Manufacturer substitution
This part replaces 1009147. Substitute parts can look different from the original.
$160.43
7% OFF Phone Price : $172.43
In Stock
Limit Switch 1005549
#20

Unit parts diagram

Limit switch

Part #1005549

Replaced by #1013102

?
Manufacturer substitution
This part replaces 1005549. Substitute parts can look different from the original.
$15.62
11% OFF Phone Price : $17.62
In Stock
Furnace Burner (replaces 1012384) 1008725
#10

Unit parts diagram

Furnace burner (replaces 1012384)

Part #1008725

In Stock
Arcoaire Manifold 1010921
#15

Unit parts diagram

Arcoaire manifold

Part #1010921

In Stock
Arcoaire Door Blowe 1010192
#J

Unit parts diagram

Arcoaire door blowe

Part #1010192

In Stock
Panel Div Al 1008071
#23

Unit parts diagram

Panel div al

Part #1008071

In Stock
Baffle 707010031
#DD

Unit parts diagram

Baffle

Part #707010031

In Stock

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 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 the evaporator fan motor in a top-freezer refrigerator

How to replace the evaporator fan motor in a top-freezer refrigerator

The evaporator fan motor blows air across the evaporator coils and through the refrigerator cabinet for cooling. Replace…

Repair difficulty
Time required
 15 minutes or less
How to replace the compressor start relay in a top-freezer refrigerator

How to replace the compressor start relay in a top-freezer refrigerator

The compressor start relay starts the compressor and shuts it off if the motor overheats. Replace the start relay if it'…

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.…