ICP
Furnace

Model # NDGK125KK05 Official ICP natural counterflow condensing gas furnace

Here are the diagrams and repair parts for Official ICP NDGK125KK05 natural counterflow condensing 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 77 parts  |

Capacitor 602974
#3

Functional diagram

Capacitor

Part #602974

Replaced by #12005

?
Manufacturer substitution
This part replaces 602974. Substitute parts can look different from the original.
$16.49
11% OFF Phone Price : $18.49
In Stock
Limit Switch 1005549
#8

Functional 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 Fan Control Relay 1000742
#30

Functional diagram

Furnace fan control relay

Part #1000742

$35.62
14% OFF Phone Price : $41.62
In Stock
Furnace Fan Control And Limit Switch 1002743
#18

Functional diagram

Furnace fan control and limit switch

Part #1002743

$247.50
5% OFF Phone Price : $259.50
Back Order
Igniter 1001344
#9

Functional diagram

Igniter

Part #1001344

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

Dpdt Relay 96467
#29

Functional diagram

Dpdt relay

Part #96467

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

Furnace Blower 1005150
#23

Functional diagram

Furnace blower

Part #1005150

Replaced by #1011350

?
Manufacturer substitution
This part replaces 1005150. Substitute parts can look different from the original.
$636.16
$12.00 OFF Phone Price : $648.16
In Stock
Coupling 1001187
#3

Non-functional diagram

Coupling

Part #1001187

In Stock
Gasket 1000467
#20

Functional diagram

Gasket

Part #1000467

In Stock
Switch 611872
#28

Functional diagram

Switch

Part #611872

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.…