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ICP
Furnace

Model # G8MXN0451408A1 Official ICP gas furnace

Here are the diagrams and repair parts for Official ICP G8MXN0451408A1 gas 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 59 parts  |
Furnace Burner Igniter 1176919
#12

Furnace 2 diagram

Furnace burner igniter

Part #1176919

$62.36
In Stock
Furnace Gas Valve 1176929
#15

Furnace 2 diagram

Furnace gas valve

Part #1176929

$123.55 | 
9% OFF Phone Price : $135.55
In Stock
Pcb Control 1183386
#8

Furnace 1 diagram

Pcb control

Part #1183386

$341.60 | 
$12.00 OFF Phone Price : $353.60
Back Order
Transformer 1177217
#7

Furnace 1 diagram

Transformer

Part #1177217

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

Sw Vent-pr 1183420
#2A

Furnace 1 diagram

Sw vent-pr

Part #1183420

$108.62
In Stock
Drive Bracket 1183425
#M

Furnace 1 diagram

Drive bracket

Part #1183425

This item is not returnable
$2.16
In Stock
Drive Blower 1183537
#L

Furnace 1 diagram

Drive blower

Part #1183537

$36.76
In Stock
Support 1177028
#T

Furnace 2 diagram

Support

Part #1177028

$26.38
In Stock
Sightglass 1183478
#LL

Furnace 1 diagram

Sightglass

Part #1183478

This item is not returnable
$5.14
In Stock
Gasket Out 1176897
#BB

Furnace 1 diagram

Gasket out

Part #1176897

$15.06
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…

Read more
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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