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AO Smith
Gas Water Heater

Model # FPSH40270 Official AO Smith water heater

Here are the diagrams and repair parts for Official AO Smith FPSH40270 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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ALL PARTS
Showing 10 of 40 parts  |
Anode Rod 183523-26
#1

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
Burner 184050
#13

Water heater diagram

Burner

Part #184050

Replaced by #9007017005

?
Manufacturer substitution
This part replaces 184050. Substitute parts can look different from the original.
$149.49
In Stock
Blower 183505
#6

Water heater diagram

Blower

Part #183505

Replaced by #9004306005

?
Manufacturer substitution
This part replaces 183505. Substitute parts can look different from the original.
$565.49
In Stock
Vent 183571
#28

Water heater diagram

Vent

Part #183571

Replaced by #183571-000

?
Manufacturer substitution
This part replaces 183571. Substitute parts can look different from the original.
$19.99
In Stock
Parts Bag 183509
#25

Water heater diagram

Parts bag

Part #183509

Replaced by #9004460105

?
Manufacturer substitution
This part replaces 183509. Substitute parts can look different from the original.
$73.49
In Stock
Baffle 181360-2
#3

Water heater diagram

Baffle

Part #181360-2

Replaced by #9004362115

?
Manufacturer substitution
This part replaces 181360-2. Substitute parts can look different from the original.
$18.99
In Stock
Burner Tube 184048
#19

Water heater diagram

Burner tube

Part #184048

Replaced by #184048-000

?
Manufacturer substitution
This part replaces 184048. Substitute parts can look different from the original.
$16.99
In Stock
Hose Clamp 183545
#10

Water heater diagram

Hose clamp

Part #183545

Replaced by #9004461115

?
Manufacturer substitution
This part replaces 183545. Substitute parts can look different from the original.
This item is not returnable
$3.49
In Stock
Inlet Tube 183359-41
#38

Water heater diagram

Inlet tube

Part #183359-41

Replaced by #183359-041

?
Manufacturer substitution
This part replaces 183359-41. Substitute parts can look different from the original.
This item is not returnable
$6.49
In Stock
Insulation 181639-1
#36

Water heater diagram

Insulation

Part #181639-1

Replaced by #9003971005

?
Manufacturer substitution
This part replaces 181639-1. Substitute parts can look different from the original.
$21.99
In Stock

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