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 # NULS125AK04 Official ICP condensing gas furnace

Here are the diagrams and repair parts for Official ICP NULS125AK04 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 92 parts  |
Capacitor 602974
#6

Functional replacement 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
Furnace Fan Control Relay 1000742
#14

Functional replacement diagram

Furnace fan control relay

Part #1000742

$35.62 | 
14% OFF Phone Price : $41.62
In Stock
Furnace Blower 1005568
#7

Functional replacement diagram

Furnace blower

Part #1005568

Replaced by #1011350

?
Manufacturer substitution
This part replaces 1005568. Substitute parts can look different from the original.
$636.16 | 
$12.00 OFF Phone Price : $648.16
In Stock
Igniter Pilo 1007576
#22

Functional replacement diagram

Igniter pilo

Part #1007576

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

Dpdt Relay 96467
#15

Functional replacement diagram

Dpdt relay

Part #96467

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

Switch 611872
#16

Functional replacement diagram

Switch

Part #611872

$25.58
In Stock
Furnace Burner Roll-out Limit Switch 522559
#28

Functional replacement diagram

Furnace burner roll-out limit switch

Part #522559

$31.84 | 
16% OFF Phone Price : $37.84
In Stock
Control Limi 1007375
#8

Functional replacement diagram

Control limi

Part #1007375

$23.46
In Stock
Prssr Swtch 1005605
#33

Functional replacement diagram

Prssr swtch

Part #1005605

$106.32
In Stock
Coupling 1002522
#44

Functional replacement diagram

Coupling

Part #1002522

$12.97
In Stock

Effective articles & videos to help repair your furnaces

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