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Rheem
Central Air Conditioner

Model # SNA Official Rheem air conditioner

Here are the diagrams and repair parts for Official Rheem SNA 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 51-21184-01
#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
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
Transformer 46-18788-01
#29A

Replacement parts diagram

Transformer

Part #46-18788-01

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

Transformer 46-19776-01
#29B

Replacement parts diagram

Transformer

Part #46-19776-01

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

Weatherking Blow Cutoff AE-64401-05
#33C

Replacement parts diagram

Weatherking blow cutoff

Part #AE-64401-05

$29.67
In Stock
Blower Wheel 70-18625-01
#35C

Replacement parts diagram

Blower wheel

Part #70-18625-01

$195.52
In Stock
Blow Cutoff AE-64401-06
#33B

Replacement parts diagram

Blow cutoff

Part #AE-64401-06

$24.11
In Stock
Capacitor 43-17075-01

#NI

All parts diagram

Capacitor

Part #43-17075-01

$35.38
In Stock
Fan Blade 70-20558-03
#22C

Replacement parts diagram

Fan blade

Part #70-20558-03

$181.95
In Stock

Symptoms for electric water heaters

Why does my water heater's heating element fail often?

Main causes: excessive tank sediment, high voltage supply…

Read more

Why does the temperature of my hot water fluctuate?

Main causes: thermostats need adjustment, bad heating elements, faulty thermostats, tank sediment build-up, broken dip t…

Read more

Repair guides for electric water heaters

How to replace a water heater element

How to replace a water heater element

If your water heater runs out of hot water quickly and one of the two heating elements has failed, replace the element f…

Read more
Repair difficulty
Time required
 30 minutes or less
How to replace an electric water heater thermostat

How to replace an electric water heater thermostat

If the water temperature fluctuates or you don't get enough hot water, follow these instructions to replace your water h…

Read more
Repair difficulty
Time required
 30 minutes or less
How to replace a water heater temperature and pressure (T&P) relief valve

How to replace a water heater temperature and pressure (T&P) relief valve

Replace a broken temperature/pressure (T&P) relief valve on an electric water heater using these instructions.…

Read more
Repair difficulty
Time required
 15 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.…

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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Top questions about Sears and Sears PartsDirect

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