ICP
Furnace

Model # N9MSB1002120A1 Official ICP gas furnace

Here are the diagrams and repair parts for Official ICP N9MSB1002120A1 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 60 parts  |

Furnace Burner Igniter 1176919
#12

Burner diagram

Furnace burner igniter

Part #1176919

In Stock
Furnace Electronic Control Board 1184594
#8

Main assy diagram

Furnace electronic control board

Part #1184594

$187.97
6% OFF Phone Price : $199.97
Back Order
Transformer 1177217
#7

Main assy diagram

Transformer

Part #1177217

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

Manifold 1184331
#P

Burner diagram

Manifold

Part #1184331

In Stock
Indicator 1184526
#LL

Front cabinet diagram

Indicator

Part #1184526

This item is not returnable
In Stock
Assembly Shelf 1184279
#D

Main assy diagram

Assembly shelf

Part #1184279

In Stock
Bracket 1184551
#ZZ

Main assy diagram

Bracket

Part #1184551

This item is not returnable
In Stock
Furnace Door Switch 1171981
#9

Front cabinet diagram

Furnace door switch

Part #1171981

In Stock
Bracket Ig 1184324
#TT

Burner diagram

Bracket ig

Part #1184324

This item is not returnable
In Stock
Gasket Rea 1184305
#CC

Heat exchange diagram

Gasket rea

Part #1184305

In Stock

Repair guides for front-engine lawn tractors

How to replace a ground drive belt on a riding lawn mower

How to replace a ground drive belt on a riding lawn mower

Replace the ground drive belt if it's broken or too worn to spin the transaxle pulley.…

Repair difficulty
Time required
 45 minutes or less
How to replace a blade clutch cable on a riding lawn mower

How to replace a blade clutch cable on a riding lawn mower

If the blades don't spin on your riding mower when you shift the lever, the blade clutch cable could be broken. Here’s h…

Repair difficulty
Time required
 30 minutes or less
How to replace a riding lawn mower blade drive belt

How to replace a riding lawn mower blade drive belt

Replace the blade drive belt if it's broken or won't spin the cutting blades because of wear.…

Repair difficulty
Time required
 45 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.…