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 # NULS125AK03 Official ICP condensing gas furnace

Here are the diagrams and repair parts for Official ICP NULS125AK03 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 91 parts  |
Module 1005651
#4

Functional replacement parts diagram

Module

Part #1005651

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

Capacitor 1006176
#12

Functional replacement parts diagram

Capacitor

Part #1006176

Replaced by #12910

?
Manufacturer substitution
This part replaces 1006176. Substitute parts can look different from the original.
$8.37 | 
11% OFF Phone Price : $9.37
In Stock
Control Elec 1005229
#3

Functional replacement parts diagram

Control elec

Part #1005229

Replaced by #7070

?
Manufacturer substitution
This part replaces 1005229. Substitute parts can look different from the original.
$86.18 | 
7% OFF Phone Price : $92.18
In Stock
Adapter 1000471
#2

Non-functional replacement parts diagram

Adapter

Part #1000471

$65.24
In Stock
Control Limi 1007375
#8

Functional replacement parts diagram

Control limi

Part #1007375

$23.46
In Stock
Furnace Fan Control Relay 1000742
#14

Functional replacement parts diagram

Furnace fan control relay

Part #1000742

$35.62 | 
14% OFF Phone Price : $41.62
In Stock
Switch 611872
#16

Functional replacement parts diagram

Switch

Part #611872

$25.58
In Stock
Prssr Tap 1005606
#14

Non-functional replacement parts diagram

Prssr tap

Part #1005606

This item is not returnable
$3.46
In Stock
Board Termin 612254
#17

Functional replacement parts diagram

Board termin

Part #612254

$20.06
In Stock
Prssr Swtch 1005605
#33

Functional replacement parts diagram

Prssr swtch

Part #1005605

$106.32
In Stock

Symptoms for electric ranges

Should I replace a damaged glass cooktop?

Main causes: impact from dropping an item on the glass surface, ceramic glass surface flaw, surface element temperature …

Read more

Why doesn't my electric range's surface element heat properly?

Main causes: faulty surface element, burner control switch failure, temperature limiter not working properly, loose wiri…

Read more

Repair guides for electric ranges

How to replace a range radiant surface element

How to replace a range radiant surface element

If the element on your glass cooktop isn't heating up even though it gets power, replace it yourself, in about 45 minute…

Read more
Repair difficulty
Time required
 45 minutes or less
How to replace an electric range oven control board

How to replace an electric range oven control board

If the electronic oven control board isn't powering the bake and broil functions, you can replace it in less than half a…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a range coil surface element

How to replace a range coil surface element

Easily replace a coil surface element in 15 minutes or less by following these step-by-step instructions.…

Read more
Repair difficulty
Time required
 15 minutes or less

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