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ICP
Furnace

Model # N8MSN1102122A1 Official ICP furnace

Here are the diagrams and repair parts for Official ICP N8MSN1102122A1 furnace, as well as links to manuals and error code tables, if available.

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For DIY troubleshooting advice and repair guides, visit our repair help section.

Installation guide
Owner’s manual

Model diagram and schematic

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ALL PARTS
Showing 10 of 58 parts  |
Furnace Burner Igniter 1176919
#12

Main assy diagram

Furnace burner igniter

Part #1176919

$62.36
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
Board Circ 1183384
#8

Furnace diagram

Board circ

Part #1183384

Replaced by #1184594

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Manufacturer substitution
This part replaces 1183384. Substitute parts can look different from the original.
$187.97 | 
6% OFF Phone Price : $199.97
In Stock
Flame Sensor 1176920
#11

Main assy diagram

Flame sensor

Part #1176920

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

Transformer 1177217
#7

Furnace diagram

Transformer

Part #1177217

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

Support Bu 1177031
#T

Main assy diagram

Support bu

Part #1177031

$35.38
In Stock
Sightglass 1183478
#LL

Furnace diagram

Sightglass

Part #1183478

This item is not returnable
$5.14
In Stock
Furnace Access Door Latch 1183487
#27

Furnace diagram

Furnace access door latch

Part #1183487

This item is not returnable
$25.11
In Stock
Sw Vent-pr 1183418
#2

Furnace diagram

Sw vent-pr

Part #1183418

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

Fan Induce 1183442
#22

Main assy diagram

Fan induce

Part #1183442

$22.23
In Stock

Symptoms for treadmills

Choose a symptom to see related treadmill repairs.

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Why does my treadmill's walking belt slow down?

Main causes: damaged walking belt, improper belt tension, lack of belt lubricant, bad drive motor…

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Why is my treadmill's walking belt slipping?

Main causes: damaged walking belt, improper belt tension, bad roller bearing…

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Why is my treadmill's walking belt off center?

Main causes: rear roller out of alignment, damaged walking belt, bad roller…

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Why won't my treadmill start even though the console display works?

Main causes: missing safety key, bad control console, wiring failure, faulty motor control board, bad drive motor…

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Why is my treadmill's heart rate sensor not accurate?

Main causes: faulty sensors, wiring failure, bad control console…

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Why does my treadmill have no display?

Main causes: bad control console, wiring failure, bad motor control board…

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Why won't my treadmill power up?

Main causes: no power, bad power cord, tripped or faulty overload switch, bad power switch, wiring failure, bad motor co…

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Repair guides for treadmills

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

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How to replace a treadmill motor controller

How to replace a treadmill motor controller

Your treadmill motor won't run with a defective motor controller. Replace the motor controller if it doesn't operate the…

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Repair difficulty
Time required
 15 minutes or less
How to replace a treadmill drive motor

How to replace a treadmill drive motor

A defective drive motor won't run when activated by the motor controller. Replace the treadmill drive motor if it doesn'…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a treadmill walking board

How to replace a treadmill walking board

A worn-out walking board creates friction with the walking belt and causes the belt to slow down during use. Replace the…

Read more
Repair difficulty
Time required
 30 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 treadmill.

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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.…

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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

Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect.…

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