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ICP
Furnace

Model # GNJ125M20A1 Official ICP gas furnace

Here are the diagrams and repair parts for Official ICP GNJ125M20A1 gas furnace, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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Showing 10 of 65 parts  |
Trans 40 Va 1008782
#7

Functional replacement diagram

Trans 40 va

Part #1008782

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

Furnace Pilot Igniter And Sensor (replaces B14010-11s, Q3400a1040) 1009524
#8

Functional replacement diagram

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

Part #1009524

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

Functional replacement 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
Furnace Burner 1008726
#10

Functional replacement diagram

Furnace burner

Part #1008726

$142.32
In Stock
Limit Switch 1000735
#3

Functional replacement 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
Rail Galv Bl 57059

#NI

All parts diagram

Rail galv bl

Part #57059

$952.55
In Stock
Switch 611872
#4

Functional replacement diagram

Switch

Part #611872

$25.58
In Stock
Furnace Temperature Limit Switch 1095242
#14

Functional replacement diagram

Furnace temperature limit switch

Part #1095242

$25.98
In Stock
Baffle 707010031
#24

Non-functional replacement diagram

Baffle

Part #707010031

$49.47
In Stock
Cnvrsion Kit 1010673

#NI

All parts diagram

Cnvrsion kit

Part #1010673

$125.18
In Stock

Symptoms for gas ranges

Why won't my range's gas burner spark or ignite?

Main causes: burner igniter switch failure, bad spark module, dirty or damaged spark electrode, wiring failure…

Read more

Why isn't my range's gas burner heating properly?

Main causes: gas supply problem, faulty pressure regulator, clogs in burner or orifice, control system failure, faulty t…

Read more

Repair guides for gas ranges

How to replace oven door hinges on a gas range

How to replace oven door hinges on a gas range

See how to replace the oven door hinges on a gas range yourself, in just 30 minutes.…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a range spark igniter switch

How to replace a range spark igniter switch

Follow these steps to replace the spark igniter switch—sometimes called a burner switch or spark switch—on a gas or dual…

Read more
Repair difficulty
Time required
 60 minutes or less
How to replace a range spark igniter electrode

How to replace a range spark igniter electrode

Learn how to replace the spark igniter electrode for the surface burners on a gas range or dual-fuel range.…

Read more
Repair difficulty
Time required
 45 minutes or less

Effective articles & videos to help repair your furnaces

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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.…

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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.…

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