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 # NUGG125EF03 Official ICP upflow gas furnace

Here are the diagrams and repair parts for Official ICP NUGG125EF03 upflow 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 96 parts  |
Thermocouple 600268
#14

Functional replacement parts diagram

Thermocouple

Part #600268

Replaced by #H06E-36

?
Manufacturer substitution
This part replaces 600268. Substitute parts can look different from the original.
This item is not returnable
$14.52 | 
12% OFF Phone Price : $16.52
Back Order
N Gas Valve 1004612
#3

Functional replacement parts diagram

N gas valve

Part #1004612

Replaced by #36C03-333

?
Manufacturer substitution
This part replaces 1004612. Substitute parts can look different from the original.
$277.97 | 
$12.00 OFF Phone Price : $289.97
In Stock
Capacitor 602974
#2

Functional replacement parts diagram

Capacitor

Part #602974

Replaced by #12005

?
Manufacturer substitution
This part replaces 602974. Substitute parts can look different from the original.
$16.49 | 
11% OFF Phone Price : $18.49
In Stock
Limit Switch 1005549
#13

Functional replacement parts 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 Temperature Limit Switch 1004304
#23A

Functional replacement parts diagram

Furnace temperature limit switch

Part #1004304

$7.97
In Stock
Central Air Conditioner Air Handler Blower Wheel 96839
#4A

Functional replacement parts diagram

Central air conditioner air handler blower wheel

Part #96839

$148.95 | 
7% OFF Phone Price : $160.95
In Stock
F & L Contro 614255
#25D

Functional replacement parts diagram

F & l contro

Part #614255

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

Fan Relay 92840
#9

Functional replacement parts diagram

Fan relay

Part #92840

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

Furnace Blower Fan Wheel 601211
#4B

Functional replacement parts diagram

Furnace blower fan wheel

Part #601211

$267.89
In Stock
Furnace Blower Wheel 89726
#4C

Functional replacement parts diagram

Furnace blower wheel

Part #89726

$218.43 | 
5% OFF Phone Price : $230.43
In Stock

Repair guides for bottom-mount refrigerators

How to replace a flipper mullion on a French-door refrigerator

How to replace a flipper mullion on a French-door refrigerator

If the flipper mullion breaks or its heater quits working, replace it in 15 minutes using these 4 easy steps.…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a door gasket in a French-door refrigerator

How to replace a door gasket in a French-door refrigerator

The door gasket, often called a door seal, seals the gap around the door to keep the cold air in and the warm air out. R…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a refrigerator water valve

How to replace a refrigerator water valve

Replace the water valve that feeds water to the ice maker and water dispenser if it no longer controls the flow of water…

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