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Horizon
Treadmill

Model # T72 Official Horizon treadmill

Here are the diagrams and repair parts for Official Horizon T72 treadmill, 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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Owner’s manual

Model diagram and schematic

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ALL PARTS
Showing 10 of 145 parts  |
Socket 003363-00
#P11

Frame assy diagram

Socket

Part #003363-00

Replaced by #019749-A

?
Manufacturer substitution
This part replaces 003363-00. Substitute parts can look different from the original.
This item is not returnable
$9.62 | 
9% OFF Phone Price : $10.62
Back Order
Treadmill Nut 004926-00
#B60

Frame assy diagram

Treadmill nut

Part #004926-00

This item is not returnable
$2.16
Back Order
Treadmill Circuit Breaker (replaces Mc0702011) 003346-00
#P04

Frame assy diagram

Treadmill circuit breaker (replaces mc0702011)

Part #003346-00

$14.80
Back Order
Horizon Treadmill Safety Key Assembly 016167-Z
#N33

Console assy diagram

Horizon treadmill safety key assembly

Part #016167-Z

$28.05
In Stock
Exercise Equipment Washer 005196-00
#H27

Frame assy diagram

Exercise equipment washer

Part #005196-00

This item is not returnable
$2.26
In Stock
Rail Lock 001251-00
#L10

Belt assy diagram

Rail lock

Part #001251-00

Replaced by #001251-F

?
Manufacturer substitution
This part replaces 001251-00. Substitute parts can look different from the original.
This item is not returnable
$3.92
In Stock
Horizon Decal 048133-AX
#V06

Belt assy diagram

Horizon decal

Part #048133-AX

This item is not returnable
$3.55
In Stock
Horizon Foam Tape 000696-AA
#NI

Frame assy diagram

Horizon foam tape

Part #000696-AA

This item is not returnable
$2.16
In Stock
Horizon Motor Set 012804-00
#M02

Frame assy diagram

Horizon motor set

Part #012804-00

$147.41
In Stock
Horizon Handle,l/r 068115-ZL
#AG1

Frame assy diagram

Horizon handle,l/r

Part #068115-ZL

$40.89
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'…

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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…

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Repair difficulty
Time required
 30 minutes or less

Effective articles & videos to help repair your fitness & exercise

Use the advice and tips in these articles and videos to get the most out of your treadmill.

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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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