ICP
Furnace

Model # NUGG125DH03 Official ICP upflow gas furnace

Here are the diagrams and repair parts for Official ICP NUGG125DH03 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  |

Capacitor 91593
#2A

Functional replacement parts diagram

Capacitor

Part #91593

Replaced by #12908

?
Manufacturer substitution
This part replaces 91593. Substitute parts can look different from the original.
This item is not returnable
$5.26
16% OFF Phone Price : $6.26
In Stock
Ferrule Nut 29441
#16

Functional replacement parts diagram

Ferrule nut

Part #29441

Replaced by #9000278

?
Manufacturer substitution
This part replaces 29441. Substitute parts can look different from the original.
This item is not returnable
$17.69
10% OFF Phone Price : $19.69
In Stock
Motor 611798
#7A

Functional replacement parts diagram

Motor

Part #611798

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

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
$10.00 OFF Phone Price : $287.97
In Stock
Thermocouple 600268
#14

Functional replacement parts diagram

Thermocouple

Part #600268

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

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
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.
$16.12
11% OFF Phone Price : $18.12
In Stock
Furnace Blower Fan Motor Mounting Kit 609227
#6A

Functional replacement parts diagram

Furnace blower fan motor mounting kit

Part #609227

In Stock
Pilot Tube 1004619
#15A

Functional replacement parts diagram

Pilot tube

Part #1004619

Replaced by #64930

?
Manufacturer substitution
This part replaces 1004619. Substitute parts can look different from the original.
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

Symptoms for top-mount refrigerators

Main causes: frozen or clogged defrost drain tube, cracked water system tubing…

Repair guides for top-mount refrigerators

How to replace a door gasket in a top-freezer refrigerator

How to replace a door gasket in a top-freezer refrigerator

The door gasket seals the gap around the door to keep the cold air in and the warm air out. It’s easy to replace a worn …

Repair difficulty
Time required
 15 minutes or less
How to replace the defrost thermistor in a top-freezer refrigerator

How to replace the defrost thermistor in a top-freezer refrigerator

The defrost thermistor attaches to the evaporator coil and measures the evaporator coil temperature during defrost.…

Repair difficulty
Time required
 15 minutes or less
How to replace the defrost heater in a top-freezer refrigerator

How to replace the defrost heater in a top-freezer refrigerator

The refrigerator defrost heater melts frost from the freezer’s evaporator fins. Replace the defrost heater if it doesn't…

Repair difficulty
Time required
 30 minutes or less

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.…