Model # N9MSB0802120A1 Official ICP gas furnace

Here are the diagrams and repair parts for Official ICP N9MSB0802120A1 gas furnace, as well as links to manuals and error code tables, if available.

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Installation guide

Owner’s manual

Model diagram and schematic

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Showing 10 of 59 parts |

#12

Burner diagram

Furnace burner igniter

Part #1176919

$62.36

In Stock

Qty

Main assy diagram

Furnace electronic control board

Part #1184594

$187.97 |

6% OFF Phone Price : $199.97

In Stock

Qty

Main assy diagram

Transformer

Part #1177217

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

#ZZ

Main assy diagram

Bracket

Part #1184551

This item is not returnable

$3.17

In Stock

Qty

#LL

Front cabinet diagram

Indicator

Part #1184526

This item is not returnable

$2.71

In Stock

Qty

Main assy diagram

Switch bracket

Part #1184289

$14.77

In Stock

Qty

Main assy diagram

Bracket bl

Part #1184326

$48.40

In Stock

Qty

Main assy diagram

Cutoff blo

Part #1183500

$52.09

In Stock

Qty

Front cabinet diagram

Furnace door switch

Part #1171981

$16.66

In Stock

Qty

Main assy diagram

Plate assembly

Part #1184272

$122.06

In Stock

Qty

Symptoms for gas ranges

Why isn't my range's gas burner heating properly?

Main causes: gas supply problem, faulty pressure regulator, clogs in burner or orifice, control system failure, faulty t…

Why won't my range's gas burner spark or ignite?

Main causes: burner igniter switch failure, bad spark module, dirty or damaged spark electrode, wiring failure…

How to replace oven door hinges on a gas range

See how to replace the oven door hinges on a gas range yourself, in just 30 minutes.…

Repair difficulty

Time required

15 minutes or less

How to replace a range spark igniter switch

Follow these steps to replace the spark igniter switch—sometimes called a burner switch or spark switch—on a gas or dual…

Repair difficulty

Time required

60 minutes or less

How to replace a gas range oven control board

These step-by-step instructions explain how to replace an oven control board on a gas range…

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

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

Learn about Sears Technical Institute and the advanced technical content being developed for aspiring appliance techs.…

Top questions about Sears and Sears PartsDirect

Model # N9MSB0802120A1 Official ICP gas furnace

Model diagram and schematic

SEARCH WITHIN THIS MODEL

Symptoms for gas ranges

Why isn't my range's gas burner heating properly?

Why won't my range's gas burner spark or ignite?

Repair guides for gas ranges

How to replace oven door hinges on a gas range

How to replace a range spark igniter switch

How to replace a gas range oven control board

Effective articles & videos to help repair your furnaces

How to get your furnace ready for winter

Introducing new technical repair content that we’re developing for the Sears Technical Institute

Top questions about Sears and Sears PartsDirect

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