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State
Electric Water Heater

Model # EPX40DXRT Official State water heater

Here are the diagrams and repair parts for Official State EPX40DXRT water heater, as well as links to manuals and error code tables, if available.

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  • In the search box below, enter all or part of the part number or the part’s name.

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

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For DIY troubleshooting advice and repair guides, visit our repair help section.

Error Codes

Model diagram and schematic

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ALL PARTS
Showing 10 of 24 parts  |
Thermostat 183534-000
#22

Water heater diagram

Thermostat

Part #183534-000

Replaced by #9001954015

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Manufacturer substitution
This part replaces 183534-000. Substitute parts can look different from the original.
BEST SELLER
$28.09 | 
18% OFF Phone Price : $34.09
In Stock
Thermostat 183532-000
#11

Water heater diagram

Thermostat

Part #183532-000

Replaced by #9000507015

?
Manufacturer substitution
This part replaces 183532-000. Substitute parts can look different from the original.
BEST SELLER
$32.20 | 
16% OFF Phone Price : $38.20
In Stock
Box Cover 184660-000
#9

Water heater diagram

Box cover

Part #184660-000

$17.99
In Stock
Cover 184659-000
#8

Water heater diagram

Cover

Part #184659-000

$17.99
In Stock
Plastic Stnd 9002844
#23B

Water heater diagram

Plastic stnd

Part #9002844

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

Drain Pan 9002845
#23C

Water heater diagram

Drain pan

Part #9002845

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

Drain Valve 026273-006
#4

Water heater diagram

Drain valve

Part #026273-006

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

Cover Terminal 183529-000
#18

Water heater diagram

Cover terminal

Part #183529-000

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

Bracket 184608-000
#20

Water heater diagram

Bracket

Part #184608-000

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

Relief Valve 043151-006
#17

Water heater diagram

Relief valve

Part #043151-006

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

Most common symptoms to help you fix your water heaters

Choose a symptom to see related water heater repairs.

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Why isn't my water heater heating my water?

Main causes: lack of power, no gas supply, thermostat limit switch tripped, bad element, bad thermostat, gas valve failu…

Read more

Why is there water in my water heater's drain pan?

Main causes: loose water pipe fittings, leaky drain valve, bad temperature-pressure relief valve, leaky heating element,…

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Why does my hot water smell like rotten eggs?

Main causes: water supply needs chlorine treatment, anode rod too reactive…

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Why isn't my water heater making enough hot water?

Main causes: broken heating element, thermostat failure, excessive tank sediment, tank size too small, burner valve asse…

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Why is my water heater's pressure relief valve dripping water?

Main causes: faulty pressure relief valve, water is overheating…

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Why isn't my water heater making the water hot enough?

Main causes: thermostats need adjustment, water heater capacity too low, bad heating element, thermostat failure, excess…

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Why is my water heater making the water too hot?

Main causes: thermostat temperature set too high, thermostats need adjustment, faulty thermostat, shorted heating elemen…

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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…

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

How to replace an electric water heater anode rod

If your hot water begins to smell like rotten eggs, replace the anode rod with a zinc-aluminum anode rod following the i…

Read more
Repair difficulty
Time required
 15 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

Effective articles & videos to help repair your water heaters

Use the advice and tips in these articles and videos to get the most out of your water heater.

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How to read a wiring schematic video

How to read a wiring schematic video

Learn how to decipher symbols so you can buy the right part for your problem.…

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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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Water heater common questions

Water heater common questions

These common questions and answers can help you make the most of your water heater.…

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