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Rheem
Central Air Conditioner

Model # RF20B1 Official Rheem condensing unit

Here are the diagrams and repair parts for Official Rheem RF20B1 condensing unit, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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ALL PARTS
Showing 10 of 44 parts  |
Float Valve Assembly RMV-187
#23

Unit parts diagram

Float valve assembly

Part #RMV-187

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

Condenser Coil Kit AS-210-354
#24

Unit parts diagram

Condenser coil kit

Part #AS-210-354

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

Capacitor REC-151
#6

Unit parts diagram

Capacitor

Part #REC-151

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

Suction Line Service Valve RMV-186
#2

Unit parts diagram

Suction line service valve

Part #RMV-186

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

Service Valve, Liquid RMV-181
#3

Unit parts diagram

Service valve, liquid

Part #RMV-181

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

Spray Nozzle RMV-2
#28

Unit parts diagram

Spray nozzle

Part #RMV-2

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

Catch Pan Extension AS-217-97
#30

Unit parts diagram

Catch pan extension

Part #AS-217-97

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

Mounting Bars, Blower RMB-145
#13

Unit parts diagram

Mounting bars, blower

Part #RMB-145

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

Pump "v" Belt RMA-14-35
#19

Unit parts diagram

Pump "v" belt

Part #RMA-14-35

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

Compressor Access Panel AS-217-135
#33

Unit parts diagram

Compressor access panel

Part #AS-217-135

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

Symptoms for table saws

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Why doesn't my table saw start?

Main causes: lack of power, broken on/off switch, bad motor overload, broken power cord, bad drive motor…

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Why does my table saw make bad cuts?

Main causes: dirty saw blade, dull or damaged saw blade, blade alignment needs adjustment…

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Why can't I adjust the blade height on my table saw?

Main causes: saw dust build up, blade elevating and tilting mechanisms need lubrication…

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Why does my table saw's blade spin too slow?

Main causes: worn motor brushes, faulty drive motor, using an improper extension cord…

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Why does my table saw make bad angle cuts?

Main causes: blade alignment needs adjustment, worn blade, bevel positive stops need adjustments, bevel pointer needs ad…

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Why does my table saw's overload trip?

Main causes: worn motor brushes, bad drive motor, faulty overload switch, using an improper extension cord, binding saw …

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Repair guides for table saws

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

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How to replace a table saw drive motor

How to replace a table saw drive motor

You can replace a table saw drive motor that is weak or won't run. Here’s how.…

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Repair difficulty
Time required
 45 minutes or less
How to adjust a table saw blade

How to adjust a table saw blade

If the table saw isn’t cutting parallel to the miter gauge groove, adjust the cutting blade following the instructions i…

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Time required
 30 minutes or less
How to replace a table saw motor brush set

How to replace a table saw motor brush set

Worn motor brushes can make the table saw motor run weak. Here’s how to replace them. …

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Repair difficulty
Time required
 45 minutes or less

Effective articles & videos to help repair your central air conditioners

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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

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