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AO Smith
Gas Water Heater

Model # FCG50247 Official AO Smith water heater

Here are the diagrams and repair parts for Official AO Smith FCG50247 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:

  • Click a diagram to see the parts shown on that diagram.
  • 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 37 parts  |
Gas Valve 181775-2
#25

Water heater diagram

Gas valve

Part #181775-2

Replaced by #9003408005

?
Manufacturer substitution
This part replaces 181775-2. Substitute parts can look different from the original.
$277.19 | 
$12.00 OFF Phone Price : $289.19
In Stock
Baffle 181589
#2

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
Anode 43816-42
#1A

Water heater diagram

Anode

Part #43816-42

Replaced by #100108660

?
Manufacturer substitution
This part replaces 43816-42. Substitute parts can look different from the original.
$60.00
In Stock
Hanger 181360
#3

Water heater diagram

Hanger

Part #181360

Replaced by #9004362115

?
Manufacturer substitution
This part replaces 181360. Substitute parts can look different from the original.
$18.99
In Stock
Orifice,pg 181791-50
#7

Water heater diagram

Orifice,pg

Part #181791-50

Replaced by #100108722

?
Manufacturer substitution
This part replaces 181791-50. Substitute parts can look different from the original.
$24.29
In Stock
Burner Tube 182728-3
Burner tube

Part #182728-3

Replaced by #182728-003

?
Manufacturer substitution
This part replaces 182728-3. Substitute parts can look different from the original.
$13.99
In Stock
Burner 182725-5
#5

Water heater diagram

Burner

Part #182725-5

Replaced by #9006992005

?
Manufacturer substitution
This part replaces 182725-5. Substitute parts can look different from the original.
$165.99
In Stock
Orifice-pg 181508-51
#7A

Water heater diagram

Orifice-pg

Part #181508-51

Replaced by #100109664

?
Manufacturer substitution
This part replaces 181508-51. Substitute parts can look different from the original.
$27.78
In Stock
Door 181667
#12

Water heater diagram

Door

Part #181667

Replaced by #9004369115

?
Manufacturer substitution
This part replaces 181667. Substitute parts can look different from the original.
$10.49
In Stock
Dirt Leg 181206
#NI

Water heater diagram

Dirt leg

Part #181206

Replaced by #181206-000

?
Manufacturer substitution
This part replaces 181206. Substitute parts can look different from the original.
$18.99
In Stock

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