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AO Smith
Gas Water Heater

Model # FCV50 Official AO Smith water heater

Here are the diagrams and repair parts for Official AO Smith FCV50 water heater, as well as links to manuals and error code tables, if available.

There are a couple of ways to find the part or diagram you need:

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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 33 parts  |
Burner 183222
#1

Water heater diagram

Burner

Part #183222

Replaced by #9003382005

?
Manufacturer substitution
This part replaces 183222. Substitute parts can look different from the original.
BEST SELLER
$90.31 | 
6% OFF Phone Price : $96.31
In Stock
Gas Valve 182792
#13A

Water heater diagram

Gas valve

Part #182792

Replaced by #9003408005

?
Manufacturer substitution
This part replaces 182792. Substitute parts can look different from the original.
$277.19 | 
$12.00 OFF Phone Price : $289.19
In Stock
Baffle 181589
#8

Water heater diagram

Baffle

Part #181589

Replaced by #100111607

?
Manufacturer substitution
This part replaces 181589. Substitute parts can look different from the original.
$57.78
In Stock
Pilot Assembly 183824-162
#5A

Water heater diagram

Pilot assembly

Part #183824-162

Replaced by #100109294

?
Manufacturer substitution
This part replaces 183824-162. Substitute parts can look different from the original.
$142.00
In Stock
Screen 183159
#11

Water heater diagram

Screen

Part #183159

Replaced by #100109216

?
Manufacturer substitution
This part replaces 183159. Substitute parts can look different from the original.
$22.86
In Stock
Gas Valve 182791-4
#13

Water heater diagram

Gas valve

Part #182791-4

Replaced by #100109217

?
Manufacturer substitution
This part replaces 182791-4. Substitute parts can look different from the original.
$229.09
In Stock
Drain Pan 23912-A
#25

Water heater diagram

Drain pan

Part #23912-A

Replaced by #100108459

?
Manufacturer substitution
This part replaces 23912-A. Substitute parts can look different from the original.
$63.33
In Stock
Anode Rod 183523-26
#18

Water heater diagram

Anode rod

Part #183523-26

Replaced by #100109624

?
Manufacturer substitution
This part replaces 183523-26. Substitute parts can look different from the original.
$31.11
In Stock
Drain Pan 23913-A
#25A

Water heater diagram

Drain pan

Part #23913-A

Replaced by #100108616

?
Manufacturer substitution
This part replaces 23913-A. Substitute parts can look different from the original.
$64.44
In Stock
Burner Tube 183450-3
#4A

Water heater diagram

Burner tube

Part #183450-3

Replaced by #100109255

?
Manufacturer substitution
This part replaces 183450-3. Substitute parts can look different from the original.
$70.00
In Stock

Most common symptoms to help you fix your water heaters

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Why does my hot water smell like rotten eggs?

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

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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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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 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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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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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

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