Rheem
Central Air Conditioner

Model # SMB Official Rheem air conditioner

Here are the diagrams and repair parts for Official Rheem SMB air conditioner, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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Showing 10 of 210 parts  |

Motor 51-21184-01
#20

Replacement parts diagram

Motor

Part #51-21184-01

Replaced by #WG840465

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Manufacturer substitution
This part replaces 51-21184-01. Substitute parts can look different from the original.
BEST SELLER
In Stock
Motor 51-21185-01
#20A

Replacement parts diagram

Motor

Part #51-21185-01

Replaced by #WG840465

?
Manufacturer substitution
This part replaces 51-21185-01. Substitute parts can look different from the original.
BEST SELLER
In Stock
Contactor 42-20618-01
#25A

Replacement parts diagram

Contactor

Part #42-20618-01

Replaced by #94-388

?
Manufacturer substitution
This part replaces 42-20618-01. Substitute parts can look different from the original.
$33.20
15% OFF Phone Price : $39.20
In Stock
Capacitor 43-20847-11
#37B

Replacement parts diagram

Capacitor

Part #43-20847-11

Replaced by #12907

?
Manufacturer substitution
This part replaces 43-20847-11. Substitute parts can look different from the original.
This item is not returnable
$4.87
17% OFF Phone Price : $5.87
In Stock
Capacitor 43-20847-04
Capacitor

Part #43-20847-04

Replaced by #12005

?
Manufacturer substitution
This part replaces 43-20847-04. Substitute parts can look different from the original.
$16.49
11% OFF Phone Price : $18.49
In Stock
Relay-plug 42-19423-01
#28A

Replacement parts diagram

Relay-plug

Part #42-19423-01

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

Blower Wheel 70-18629-01
#35E

Replacement parts diagram

Blower wheel

Part #70-18629-01

In Stock
Fan Blade 70-20608-01
#22H

Replacement parts diagram

Fan blade

Part #70-20608-01

$177.13
6% OFF Phone Price : $189.13
In Stock
Blow Cutoff AE-64401-06
#33B

Replacement parts diagram

Blow cutoff

Part #AE-64401-06

In Stock
Fan Blade 70-20558-03
#22C

Replacement parts diagram

Fan blade

Part #70-20558-03

In Stock

Symptoms for gas grills

Choose a symptom to see related gas grill repairs.

Main causes: nearly empty fuel tank, faulty pressure regulator, burner tube clogs, bad burner tube alignment to gas valv…

Main causes: empty fuel tank, tripped flow-limiting device on the pressure regulator, faulty manifold valves, burner tub…

Main causes: damaged or dirty flame tamers, corroded firebox, accumulated grease and debris in the grease pan…

Main causes: clogged burner tubes, cracked insulators on igniter electrodes, wiring failures, bad ignition module, manif…

Repair guides for gas grills

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

How to replace a gas grill wheel

How to replace a gas grill wheel

Replace a broken or damaged wheel in less than 15 minutes.…

Repair difficulty
Time required
 15 minutes or less
How to replace a gas grill igniter electrode

How to replace a gas grill igniter electrode

Replace the igniter electrode on your gas grill if it won’t light the burner.…

Repair difficulty
Time required
 15 minutes or less
How to replace a gas grill ignition module

How to replace a gas grill ignition module

Follow these steps to replace the ignition module if it doesn't produce a spark. …

Repair difficulty
Time required
 15 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 gas grill.

Maintaining your air conditioner

Maintaining your air conditioner

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

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

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