ICP
Furnace

Model # N8MSN0451412A1 Official ICP furnace

Here are the diagrams and repair parts for Official ICP N8MSN0451412A1 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 57 parts  |

Capacitor 1171729
#6

Furnace diagram

Capacitor

Part #1171729

Replaced by #12908

?
Manufacturer substitution
This part replaces 1171729. Substitute parts can look different from the original.
This item is not returnable
$5.26
16% OFF Phone Price : $6.26
In Stock
Board Circ 1183384
#8

Furnace diagram

Board circ

Part #1183384

Replaced by #1184594

?
Manufacturer substitution
This part replaces 1183384. Substitute parts can look different from the original.
$187.97
6% OFF Phone Price : $199.97
Back Order
Furnace Door Switch 1171981
#9

Furnace diagram

Furnace door switch

Part #1171981

In Stock
Furnace Inducer Vent Motor 1183525
Furnace inducer vent motor

Part #1183525

$152.18
7% OFF Phone Price : $164.18
In Stock
Furnace Temperature Limit Switch 1177033
#16

Main assy diagram

Furnace temperature limit switch

Part #1177033

This item is not returnable
In Stock
Gasket,ind 1176913
#Z

Furnace diagram

Gasket,ind

Part #1176913

In Stock
Clip 1177196
#25

Main assy diagram

Clip

Part #1177196

This item is not returnable
In Stock
Harness 1183536
#K

Furnace diagram

Harness

Part #1183536

In Stock
Gasket Inl 1176892
#CC

Furnace diagram

Gasket inl

Part #1176892

In Stock
Furnace Access Door Latch 1183487
#27

Furnace diagram

Furnace access door latch

Part #1183487

This item is not returnable
In Stock

Symptoms for gas walk-behind mowers

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

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

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

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

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…

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

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 replace a lawn mower spark plug

How to replace a lawn mower spark plug

Take a few minutes to replace the spark plug during your lawn mower's annual tune-up or if the spark plug is burnt or cr…

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

How to replace a lawn mower blade

Check your lawn mower blade regularly and replaced it if it's bent or damaged. …

Repair difficulty
Time required
 15 minutes or less
How to replace a lawn mower flywheel key on a flathead engine

How to replace a lawn mower flywheel key on a flathead engine

When you hit a hard object with your mower, the flywheel can shear to protect more expensive components. Learn how to re…

Repair difficulty
Time required
 45 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.…