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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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ALL PARTS
Showing 10 of 210 parts  |
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
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 51-20900-01
Motor

Part #51-20900-01

Replaced by #45461

?
Manufacturer substitution
This part replaces 51-20900-01. Substitute parts can look different from the original.
BEST SELLER
$207.04
In Stock
Relay-plug 42-19423-01
#28A

Replacement parts diagram

Relay-plug

Part #42-19423-01

Replaced by #WR90-370

?
Manufacturer substitution
This part replaces 42-19423-01. Substitute parts can look different from the original.
$21.63
| 
22% OFF Phone Price : $27.63
In Stock
Capacitor 43-17075-01

#NI

All parts diagram

Capacitor

Part #43-17075-01

$35.38
In Stock
Limit Switch 47-20045-06
#48B

Replacement parts diagram

Limit switch

Part #47-20045-06

$61.22
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
Weatherking Blow Cutoff AE-64401-05
#33C

Replacement parts diagram

Weatherking blow cutoff

Part #AE-64401-05

$29.67
In Stock
Blow Cutoff AE-64401-06
#33B

Replacement parts diagram

Blow cutoff

Part #AE-64401-06

$24.11
In Stock
Blower Wheel 70-18625-01
#35C

Replacement parts diagram

Blower wheel

Part #70-18625-01

$195.52
In Stock

Symptoms for gas ranges

Why won't my range's gas burner spark or ignite?

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

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

Main causes: gas supply problem, faulty pressure regulator, clogs in burner or orifice, control system failure, faulty t...

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Repair guides for gas ranges

How to replace oven door hinges on a gas range

How to replace oven door hinges on a gas range

See how to replace the oven door hinges on a gas range yourself, in just 30 minutes....

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Repair difficulty
Time required
15 minutes or less
How to replace a range spark igniter switch

How to replace a range spark igniter switch

Follow these steps to replace the spark igniter switch—sometimes called a burner switch or spark switch—on a gas or dual...

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Repair difficulty
Time required
60 minutes or less
How to replace a range spark igniter electrode

How to replace a range spark igniter electrode

Learn how to replace the spark igniter electrode for the surface burners on a gas range or dual-fuel range....

Read more
Repair difficulty
Time required
45 minutes or less

Effective articles & videos to help repair your central air conditioners

View all
Maintaining your air conditioner

Maintaining your air conditioner

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

Read more
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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