Model # GCK125N20A1 Official ICP gas furnace

Here are the diagrams and repair parts for Official ICP GCK125N20A1 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 96 parts |

#34

Unit parts diagram

Furnace burner

Part #1008726

$142.32

In Stock

Qty

#NI

All parts diagram

Coupling

Part #1002522

$12.97

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#16

Unit parts diagram

Gsket air in

Part #1008746

This item is not returnable

$2.16

In Stock

Qty

#30

Unit parts diagram

Gskt viewpor

Part #1093666

This item is not returnable

$6.20

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#NI

All parts diagram

Gskt htx bnr

Part #2480907

This item is not returnable

$7.46

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Qty

#71

Unit parts diagram

Switch

Part #611872

$25.58

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#14

Unit parts diagram

Gskt burn bx

Part #1008761

$25.29

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#18

Unit parts diagram

Gskt lmt swt

Part #1008778

This item is not returnable

$2.16

In Stock

Qty

#66

Unit parts diagram

Panel cutoff

Part #721020008

$252.09

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Qty

#33

Unit parts diagram

Seal strip

Part #1009244

$25.11

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Qty

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…

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…

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

Repair difficulty

Time required

15 minutes or less

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…

Repair difficulty

Time required

60 minutes or less

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.…

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

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

Learn about Sears Technical Institute and the advanced technical content being developed for aspiring appliance techs.…

Top questions about Sears and Sears PartsDirect

Model # GCK125N20A1 Official ICP gas furnace

Model diagram and schematic

SEARCH WITHIN THIS MODEL

Symptoms for gas ranges

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

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

Repair guides for gas ranges

How to replace oven door hinges on a gas range

How to replace a range spark igniter switch

How to replace a range spark igniter electrode

Effective articles & videos to help repair your furnaces

How to get your furnace ready for winter

Introducing new technical repair content that we’re developing for the Sears Technical Institute

Top questions about Sears and Sears PartsDirect

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