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AO Smith
Gas Water Heater

Model # FCG75250 Official AO Smith water heater

Here are the diagrams and repair parts for Official AO Smith FCG75250 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 29 parts  |
Valve 76527-3
#28

Water heater diagram

Valve

Part #76527-3

Replaced by #9000071015

?
Manufacturer substitution
This part replaces 76527-3. Substitute parts can look different from the original.
BEST SELLER
$14.36 | 
12% OFF Phone Price : $16.36
In Stock
Restrictor 35405
#17

Water heater diagram

Restrictor

Part #35405

This item is not returnable
$3.05
In Stock
Draft Hood 39072-4
#14

Water heater diagram

Draft hood

Part #39072-4

$24.49 | 
20% OFF Phone Price : $30.49
In Stock
Valve 180193-5
#11

Water heater diagram

Valve

Part #180193-5

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

Label 182798
#21

Water heater diagram

Label

Part #182798

Replaced by #182798-000

?
Manufacturer substitution
This part replaces 182798. Substitute parts can look different from the original.
This item is not returnable
$2.16
In Stock
Thermocouple 194621
#7

Water heater diagram

Thermocouple

Part #194621

Replaced by #100108267

?
Manufacturer substitution
This part replaces 194621. Substitute parts can look different from the original.
$28.57
In Stock
Owner's Manual 183519
#NI

Water heater diagram

Owner's manual

Part #183519

Replaced by #183519-000

?
Manufacturer substitution
This part replaces 183519. Substitute parts can look different from the original.
$9.49
In Stock
Inlet Tube 183512
#26

Water heater diagram

Inlet tube

Part #183512

Replaced by #100109784

?
Manufacturer substitution
This part replaces 183512. Substitute parts can look different from the original.
$76.67
In Stock
Natural Gas Orifice 181508-21
#5

Water heater diagram

Natural gas orifice

Part #181508-21

Replaced by #9003732005

?
Manufacturer substitution
This part replaces 181508-21. Substitute parts can look different from the original.
$17.69 | 
10% OFF Phone Price : $19.69
In Stock
Burner 194553
#2

Water heater diagram

Burner

Part #194553

Replaced by #194553-000

?
Manufacturer substitution
This part replaces 194553. Substitute parts can look different from the original.
$76.49
In Stock

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

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