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ICP
Furnace

Model # N9MSB1202420A1 Official ICP gas furnace

Here are the diagrams and repair parts for Official ICP N9MSB1202420A1 gas furnace, as well as links to manuals and error code tables, if available.

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Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

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Installation guide

Model diagram and schematic

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ALL PARTS
Showing 10 of 59 parts  |
Furnace Burner Igniter 1176919
#12

Burner diagram

Furnace burner igniter

Part #1176919

$62.36
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
In Stock
Transformer 1177217
#7

Main assy diagram

Transformer

Part #1177217

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

Screw 1/4 1178570
#W

Main assy diagram

Screw 1/4

Part #1178570

This item is not returnable
$2.66
In Stock
Support Burner Asy 1184317
#T

Burner diagram

Support burner asy

Part #1184317

$55.84
In Stock
Furnace Temperature Limit Switch 1177033
#16A

Burner diagram

Furnace temperature limit switch

Part #1177033

This item is not returnable
$15.00
In Stock
Plate Assembly 1184273
#A

Main assy diagram

Plate assembly

Part #1184273

$132.26
In Stock
Bracket Bl 1184326
#Z

Main assy diagram

Bracket bl

Part #1184326

$48.40
In Stock
Switch Mai 1184424
#17

Heat exchange diagram

Switch mai

Part #1184424

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

Bag Loose 1184517
#NI

Main assy diagram

Bag loose

Part #1184517

$105.69
In Stock

Symptoms for treadmills

Choose a symptom to see related treadmill repairs.

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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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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 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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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…

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

How to replace a treadmill walking belt

A worn walking belt will begin to slow down during use. If your treadmill walking belt is worn out, replace it using the…

Read more
Repair difficulty
Time required
 45 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

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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