ICP
Furnace

Model # NDGG125DH03 Official ICP counterflow gas furnace

Here are the diagrams and repair parts for Official ICP NDGG125DH03 counterflow 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 59 parts  |

Capacitor 91593
#2

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
Thermocouple 600268
#13

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
#12

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
Lp Gas Valve 1004613
#12A

Functional replacement parts diagram

Lp gas valve

Part #1004613

Replaced by #36C03-333

?
Manufacturer substitution
This part replaces 1004613. Substitute parts can look different from the original.
$277.97
$12.00 OFF Phone Price : $289.97
In Stock
Limit Switch 1005549
#11

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
Central Air Conditioner Air Handler Blower Wheel 96839
#3

Functional replacement parts diagram

Central air conditioner air handler blower wheel

Part #96839

$148.95
7% OFF Phone Price : $160.95
In Stock
Fan Relay 92840
#25

Functional replacement parts diagram

Fan relay

Part #92840

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

Furnace Blower Fan Motor Mounting Kit 609227
#7

Functional replacement parts diagram

Furnace blower fan motor mounting kit

Part #609227

In Stock
Switch 611872
#22

Functional replacement parts diagram

Switch

Part #611872

In Stock
Board Termin 612254
#23

Functional replacement parts diagram

Board termin

Part #612254

In Stock

Symptoms for gas walk-behind mowers

Choose a symptom to see related walk-behind mower repairs.

Main causes: damaged cutting blade, loose cutting blade, damaged flywheel key, engine needs tune up…

Main causes: uneven wheel height settings, damaged wheel, dull or damaged cutting blade…

Main causes: engine needs tune up, dirty or clogged carburetor, damaged flywheel key…

Main causes: drive control cable failure, worn or broken drive belt, bad transmission, broken drive wheel…

Main causes: stale gas, engine needs tune up, bad spark plug, dead battery, bad recoil starter, faulty safety switch, ba…

Main causes: dirty carburetor, bad spark plug, clogged air filter, engine choke problems, clogged gas cap vent…

Repair guides for gas walk-behind mowers

These step-by-step repair guides will help you safely fix what’s broken on your walk-behind lawn mower.

How to rebuild a lawn mower carburetor

How to rebuild a lawn mower carburetor

The carburetor mixes air with fuel to drive the piston. Rebuild the carburetor if it's clogged or leaks.…

Repair difficulty
Time required
 60 minutes or less
How to replace a lawn mower recoil starter on an OHV engine

How to replace a lawn mower recoil starter on an OHV engine

Replace the recoil starter if it doesn't move when you pull the starter rope.…

Repair difficulty
Time required
 15 minutes or less
How to replace a lawn mower wheel

How to replace a lawn mower wheel

Learn how replace a damaged wheel on a walk-behind lawn mower—it's a quick, easy fix.…

Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your furnaces

Use the advice and tips in these articles and videos to get the most out of your walk-behind lawn mower.

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.…