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

  • Keep track of the models you own in your profile

    Sign in or Register to view or add models

Schedule a repair
ICP
Furnace

Model # GNJ125M20C3 Official ICP gas furnace

Here are the diagrams and repair parts for Official ICP GNJ125M20C3 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 58 parts  |
Furnace Pilot Igniter And Sensor (replaces B14010-11s, Q3400a1040) 1009524
#28

Unit parts diagram

Furnace pilot igniter and sensor (replaces b14010-11s, q3400a1040)

Part #1009524

$166.19 | 
7% OFF Phone Price : $178.19
In Stock
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
Cont Fan Tmr 1009838
#6

Unit parts diagram

Cont fan tmr

Part #1009838

Replaced by #1170063

?
Manufacturer substitution
This part replaces 1009838. Substitute parts can look different from the original.
$220.46 | 
5% OFF Phone Price : $232.46
In Stock
Limit Switch 1000735
#3

Unit parts diagram

Limit switch

Part #1000735

Replaced by #1013105

?
Manufacturer substitution
This part replaces 1000735. Substitute parts can look different from the original.
This item is not returnable
$15.14
In Stock
Gskt Htx Bnr 2480907
#22

Unit parts diagram

Gskt htx bnr

Part #2480907

This item is not returnable
$7.46
In Stock
Shield 1011337
#K

Unit parts diagram

Shield

Part #1011337

$12.20
In Stock
Arcoaire Door Blowe 1010192
#J

Unit parts diagram

Arcoaire door blowe

Part #1010192

$183.94
In Stock
Panel Cutoff 721020008
#X

Unit parts diagram

Panel cutoff

Part #721020008

$252.09
In Stock
Furnace Burner 1008726
#10

Unit parts diagram

Furnace burner

Part #1008726

$142.32
In Stock
Tubing 64930
#14

Unit parts diagram

Tubing

Part #64930

$77.80
In Stock

Symptoms for gas walk-behind mowers

Choose a symptom to see related walk-behind mower repairs.

View all

Why does my lawn mower stall?

Main causes: dirty carburetor, bad spark plug, clogged air filter, engine choke problems, clogged gas cap vent…

Read more

Why won't my lawn mower start?

Main causes: stale gas, engine needs tune up, bad spark plug, dead battery, bad recoil starter, faulty safety switch, ba…

Read more

Why does my lawn mower cut unevenly?

Main causes: uneven wheel height settings, damaged wheel, dull or damaged cutting blade…

Read more

Why won't my lawn mower move?

Main causes: drive control cable failure, worn or broken drive belt, bad transmission, broken drive wheel…

Read more

Why does my lawn mower run rough?

Main causes: engine needs tune up, dirty or clogged carburetor, damaged flywheel key…

Read more

Why does my lawn mower vibrate a lot?

Main causes: damaged cutting blade, loose cutting blade, damaged flywheel key, engine needs tune up…

Read more

Repair guides for gas walk-behind mowers

These step-by-step repair guides will help you safely fix what’s broken on your walk-behind lawn mower.

View all
How to rebuild a lawn mower carburetor

How to rebuild a lawn mower carburetor

The carburetor mixes air with fuel to drive the piston. Rebuild the carburetor if it's clogged or leaks.…

Read more
Repair difficulty
Time required
 60 minutes or less
How to replace a lawn mower recoil starter on an OHV engine

How to replace a lawn mower recoil starter on an OHV engine

Replace the recoil starter if it doesn't move when you pull the starter rope.…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a lawn mower wheel

How to replace a lawn mower wheel

Learn how replace a damaged wheel on a walk-behind lawn mower—it's a quick, easy fix.…

Read more
Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your furnaces

Use the advice and tips in these articles and videos to get the most out of your walk-behind lawn mower.

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