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AO Smith
Electric Water Heater

Model # EES80T920 Official AO Smith water heater

Here are the diagrams and repair parts for Official AO Smith EES80T920 water heater, as well as links to manuals and error code tables, if available.

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Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

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Error Codes

Model diagram and schematic

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Showing 10 of 42 parts  |
Insert 183360
#8

Water heater diagram

Insert

Part #183360

Replaced by #183360-000

?
Manufacturer substitution
This part replaces 183360. Substitute parts can look different from the original.
$16.49
In Stock
Protector 39909
#12

Water heater diagram

Protector

Part #39909

Replaced by #039909-000

?
Manufacturer substitution
This part replaces 39909. Substitute parts can look different from the original.
This item is not returnable
$6.49
In Stock
Protector 182117-1
#14

Water heater diagram

Protector

Part #182117-1

Replaced by #100110879

?
Manufacturer substitution
This part replaces 182117-1. Substitute parts can look different from the original.
$21.43
In Stock
Thermostat 182895
#16A

Water heater diagram

Thermostat

Part #182895

Replaced by #9003945115

?
Manufacturer substitution
This part replaces 182895. Substitute parts can look different from the original.
$31.99
In Stock
Gasket 42537
#6

Water heater diagram

Gasket

Part #42537

Replaced by #9000308005

?
Manufacturer substitution
This part replaces 42537. Substitute parts can look different from the original.
$30.62 | 
16% OFF Phone Price : $36.62
In Stock
Label 182734
#24

Water heater diagram

Label

Part #182734

Replaced by #182734-000

?
Manufacturer substitution
This part replaces 182734. Substitute parts can look different from the original.
$13.99
In Stock
Label 160418
#26

Water heater diagram

Label

Part #160418

Replaced by #160418-000

?
Manufacturer substitution
This part replaces 160418. Substitute parts can look different from the original.
This item is not returnable
$2.16
In Stock
Nipple 194130-3
#10A

Water heater diagram

Nipple

Part #194130-3

Replaced by #9002298015

?
Manufacturer substitution
This part replaces 194130-3. Substitute parts can look different from the original.
$12.49
In Stock
Anode Rod 183463-29
Anode rod

Part #183463-29

Replaced by #100109434

?
Manufacturer substitution
This part replaces 183463-29. Substitute parts can look different from the original.
$36.67
In Stock
Nipple 194130-2
#10

Water heater diagram

Nipple

Part #194130-2

Replaced by #9003974005

?
Manufacturer substitution
This part replaces 194130-2. Substitute parts can look different from the original.
$10.99
In Stock

Most common symptoms to help you fix your water heaters

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Why isn't my water heater heating my water?

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Why is my water heater making the water too hot?

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Repair guides for electric water heaters

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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…

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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…

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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.…

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Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your water heaters

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Wiring schematic symbols explained video

Wiring schematic symbols explained video

Learn some of the most common symbols found in a wiring diagram and what they mean.…

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Using a wiring schematic to trace a current video

Using a wiring schematic to trace a current video

Find out what’s wrong with your appliance by following a circuit.…

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Easy DIY water heater repairs

Easy DIY water heater repairs

Read about some water heater repairs that you can easily do yourself.…

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