ICP
Furnace

Model # N8MSN0451408A1 Official ICP furnace

Here are the diagrams and repair parts for Official ICP N8MSN0451408A1 furnace, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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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
Furnace Burner Igniter 1176919
#12

Main assy diagram

Furnace burner igniter

Part #1176919

In Stock
Furnace Gas Valve 1176929
#15

Main assy diagram

Furnace gas valve

Part #1176929

$123.55
9% OFF Phone Price : $135.55
In Stock
Transformer 1177217
#7

Furnace diagram

Transformer

Part #1177217

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

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
In Stock
Shaft Seal 1183443
#24

Main assy diagram

Shaft seal

Part #1183443

In Stock
Sightglass 1183478
#LL

Furnace diagram

Sightglass

Part #1183478

This item is not returnable
In Stock
Support 1177028
#T

Main assy diagram

Support

Part #1177028

In Stock
Screw 1183447
#RR

Main assy diagram

Screw

Part #1183447

This item is not returnable
In Stock
Furnace Access Door Latch Knob 1183488
#28

Furnace diagram

Furnace access door latch knob

Part #1183488

This item is not returnable
In Stock

Symptoms for window air conditioners

Choose a symptom to see related window air conditioner repairs.

Main causes: clogged condensate drain, air conditioner not leveled properly, leaky window air seals …

Main causes: lack of electrical power, bad electronic control board, wiring failure, bad temperature sensor…

Main causes: bad compressor, lack of refrigerant, bad compressor start relay, electronic control board failure…

Main causes: clogged drain hole, air conditioner not leveled properly…

Main causes: turning the air conditioner off and the back on too quickly, dirty or restricted condenser coil, compressor…

Main causes: dirty air filter, air conditioner is too small for the room, temperature set too cold, control failure…

Repair guides for window air conditioners

These step-by-step repair guides will help you safely fix what’s broken on your window air conditioner.

How to replace a window air conditioner ambient thermistor

How to replace a window air conditioner ambient thermistor

If your window air conditioner isn’t cooling properly, it might need a new ambient thermistor. You can replace it yourse…

Repair difficulty
Time required
 45 minutes or less
How to replace a window air conditioner user interface control board

How to replace a window air conditioner user interface control board

Control buttons or lights on the user interface control board can stop working. This repair guide shows how to replace i…

Repair difficulty
Time required
 30 minutes or less
How to replace a window air conditioner electronic control board

How to replace a window air conditioner electronic control board

The electronic control board is the brain of your window air conditioner. Here’s how to replace it.…

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 window air conditioner.

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.…

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Top questions about Sears and Sears PartsDirect

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