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Climette/Keeprite/Zoneaire
Central Air Conditioner

Model # SHA12K50STA Official Climette/Keeprite/Zoneaire air-conditioner/heat pump

Here are the diagrams and repair parts for Official Climette/Keeprite/Zoneaire SHA12K50STA air-conditioner/heat pump, 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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Model diagram and schematic

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Showing 9 of 45 parts  |
Capacitor 61903011

#NI

All parts diagram

Capacitor

Part #61903011

Replaced by #12005

?
Manufacturer substitution
This part replaces 61903011. Substitute parts can look different from the original.
$16.49 | 
11% OFF Phone Price : $18.49
In Stock
Relay 43205003

#NI

All parts diagram

Relay

Part #43205003

Replaced by #90-384

?
Manufacturer substitution
This part replaces 43205003. Substitute parts can look different from the original.
$25.39
In Stock
Capacitor 62876002

#NI

All parts diagram

Capacitor

Part #62876002

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

Valve 42804001

#NI

All parts diagram

Valve

Part #42804001

Replaced by #V3-410080-770

?
Manufacturer substitution
This part replaces 42804001. Substitute parts can look different from the original.
$203.70
In Stock
Blower Wheel 70917001

#NI

All parts diagram

Blower wheel

Part #70917001

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

Blower Wheel 70916001

#NI

All parts diagram

Blower wheel

Part #70916001

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

Heat Switch 41978001

#NI

All parts diagram

Heat switch

Part #41978001

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

Cap Tube 54057031

#NI

All parts diagram

Cap tube

Part #54057031

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

Service Cord 50546001

#NI

All parts diagram

Service cord

Part #50546001

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

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 central air conditioners

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

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Maintaining your air conditioner

Maintaining your air conditioner

Learn how to maintain your central air conditioner to keep it running smoothly all summer long.…

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How to prevent the 2 most common AC failures from ruining your summer

How to prevent the 2 most common AC failures from ruining your summer

Get tips to help keep your central AC running all summer long…

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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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