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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

?
Manufacturer substitution
This part replaces 51-21184-01. Substitute parts can look different from the original.
BEST SELLER
$150.11
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
$150.11
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

$195.13
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

$24.11
In Stock
Fan Blade 70-20558-03
#22C

Replacement parts diagram

Fan blade

Part #70-20558-03

$181.95
In Stock

Symptoms for gas cooktops

Why won't my cooktop's gas burners ignite or spark?

Main causes: burner igniter switch failure, bad spark module, dirty or damaged spark electrode, wiring failure, lack of …

Read more

Why isn't my cooktop's gas burner heating properly?

Main causes: gas supply problem, faulty pressure regulator, clogs in burner or orifice, burner valve failure…

Read more

Why do my cooktop's spark igniters keep clicking?

Main causes: stuck burner igniter switch, wet igniter switch contacts, faulty spark module…

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Repair guides for gas cooktops

How to replace a spark igniter switch on a gas cooktop

How to replace a spark igniter switch on a gas cooktop

Follow these step-by-step instructions to fix the surface burner ignition system on your gas cooktop by replacing the sp…

Read more
Repair difficulty
Time required
 45 minutes or less
How to replace a spark module on a gas cooktop

How to replace a spark module on a gas cooktop

No flame on your gas cooktop? Installing a new spark module could be the fix you need.…

Read more
Repair difficulty
Time required
 30 minutes or less

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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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