ICP
Furnace

Model # NUGS125AK03 Official ICP condensing gas furnace

Here are the diagrams and repair parts for Official ICP NUGS125AK03 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 89 parts  |

Module 1005651
#4

Functional replacement parts diagram

Module

Part #1005651

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

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
5% OFF Phone Price : $91.18
In Stock
Capacitor 602974
#6

Functional replacement parts diagram

Capacitor

Part #602974

Replaced by #12005

?
Manufacturer substitution
This part replaces 602974. Substitute parts can look different from the original.
$16.12
11% OFF Phone Price : $18.12
In Stock
Furnace Fan Control Relay 1000742
#14

Functional replacement parts diagram

Furnace fan control relay

Part #1000742

$35.62
12% OFF Phone Price : $40.62
In Stock
Furnace Blower 1005568
#7

Functional replacement parts diagram

Furnace blower

Part #1005568

Replaced by #1011350

?
Manufacturer substitution
This part replaces 1005568. Substitute parts can look different from the original.
$636.16
$10.00 OFF Phone Price : $646.16
In Stock
Dpdt Relay 96467
#15

Functional replacement parts diagram

Dpdt relay

Part #96467

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

Neutralizer 612827
#41

Functional replacement parts diagram

Neutralizer

Part #612827

In Stock
Coupling 1002522
#44

Functional replacement parts diagram

Coupling

Part #1002522

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

Functional replacement parts diagram

Furnace burner roll-out limit switch

Part #522559

$31.84
14% OFF Phone Price : $36.84
In Stock
Switch 611872
#16

Functional replacement parts diagram

Switch

Part #611872

In Stock

Symptoms for gas leaf blowers

Choose a symptom to see related leaf blower repairs.

Main causes: cracked fuel lines, leaky carburetor seals, damaged fuel tank cap, cracked fuel tank…

Main causes: damaged fan blade, engine needs a tune up, dirty carburetor…

Main causes: stale fuel, dirty air filter, bad spark plug, cracked fuel lines, clogged carburetor…

Main causes: mixing too much 2-cycle oil with the gas, dirty air filter, clogged carburetor, engine needs tune up…

Main causes: bad gas, clogged air filter, cracked fuel lines, clogged fuel filter, dirty carburetor, bad spark plug, wor…

Repair guides for gas leaf blowers

These step-by-step repair guides will help you safely fix what’s broken on your leaf blower.

How to replace a leaf blower carburetor

How to replace a leaf blower carburetor

The carburetor could be the problem If the leaf blower engine won't start even though there's fuel in the tank. Follow t…

Repair difficulty
Time required
 15 minutes or less
How to replace leaf blower fuel lines

How to replace leaf blower fuel lines

Leaf blower fuel lines deteriorate with time and eventually can split or crack. You can remove and replace them yourself…

Repair difficulty
Time required
 60 minutes or less
How to rebuild a leaf blower carburetor

How to rebuild a leaf blower carburetor

If the leaf blower engine won't start even though there's fuel in the tank, the carburetor could be the problem. Follow …

Repair difficulty
Time required
 60 minutes or less

Effective articles & videos to help repair your furnaces

Use the advice and tips in these articles to get the most out of your leaf blower.

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.…