ICP
Furnace

Model # NHGG100BH03 Official ICP gas horizontal furnace

Here are the diagrams and repair parts for Official ICP NHGG100BH03 gas horizontal 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 52 parts  |

L Gas Valve 1003755
#7A

Functional replacement parts diagram

L gas valve

Part #1003755

Replaced by #36C03-333

?
Manufacturer substitution
This part replaces 1003755. Substitute parts can look different from the original.
$277.97
$12.00 OFF Phone Price : $289.97
In Stock
N Gas Valve 1003754
#7

Functional replacement parts diagram

N gas valve

Part #1003754

Replaced by #36C03-333

?
Manufacturer substitution
This part replaces 1003754. Substitute parts can look different from the original.
$277.97
$12.00 OFF Phone Price : $289.97
In Stock
Furnace Blower Fan Wheel (replaces 1149145, 1162422, 1645225, 1665008, 1680076, 1695012, 24020801, 600957, 601004, 72978, H600587) 600587
#2

Functional replacement parts diagram

Furnace blower fan wheel (replaces 1149145, 1162422, 1645225, 1665008, 1680076, 1695012, 24020801, 600957, 601004, 72978, h600587)

Part #600587

$130.20
8% OFF Phone Price : $142.20
In Stock
Transformer 638010
#13

Functional replacement parts diagram

Transformer

Part #638010

Replaced by #90-4031F

?
Manufacturer substitution
This part replaces 638010. Substitute parts can look different from the original.
In Stock
Fan Relay 92840
#12

Functional replacement parts diagram

Fan relay

Part #92840

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

Switch 638099
#11

Functional replacement parts diagram

Switch

Part #638099

Replaced by #607900

?
Manufacturer substitution
This part replaces 638099. Substitute parts can look different from the original.
$26.43
19% OFF Phone Price : $32.43
In Stock
Thermocouple 100242
#8

Functional replacement parts diagram

Thermocouple

Part #100242

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

Blower Motor 638017
#4

Functional replacement parts diagram

Blower motor

Part #638017

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

Orifice Nat 503211

#NI

All parts diagram

Orifice nat

Part #503211

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

Drafthood 638130
#19

Non-functional replacement parts diagram

Drafthood

Part #638130

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

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.…