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AO Smith
Gas Water Heater

Model # FPSH50270 Official AO Smith water heater

Here are the diagrams and repair parts for Official AO Smith FPSH50270 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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Showing 10 of 40 parts  |
Combo.valv 183760
#21

Water heater diagram

Combo.valv

Part #183760

Replaced by #100109724

?
Manufacturer substitution
This part replaces 183760. Substitute parts can look different from the original.
$392.50
In Stock
Wall Plate 182787
#26

Water heater diagram

Wall plate

Part #182787

Replaced by #9004435115

?
Manufacturer substitution
This part replaces 182787. Substitute parts can look different from the original.
$9.99
In Stock
Limit Switch 183380-2
#7

Water heater diagram

Limit switch

Part #183380-2

Replaced by #9004661115

?
Manufacturer substitution
This part replaces 183380-2. Substitute parts can look different from the original.
$105.49
In Stock
Orifice 181508-30
#18

Water heater diagram

Orifice

Part #181508-30

Replaced by #100108636

?
Manufacturer substitution
This part replaces 181508-30. Substitute parts can look different from the original.
$21.43
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
Wiring Harness 183506-1
#42

Water heater diagram

Wiring harness

Part #183506-1

Replaced by #9006022015

?
Manufacturer substitution
This part replaces 183506-1. Substitute parts can look different from the original.
$40.60
In Stock
Burner Tube 184048-1
#19

Water heater diagram

Burner tube

Part #184048-1

Replaced by #184048-001

?
Manufacturer substitution
This part replaces 184048-1. Substitute parts can look different from the original.
$16.99
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
Burner,pg. 183325
#16

Water heater diagram

Burner,pg.

Part #183325

Replaced by #9003631005

?
Manufacturer substitution
This part replaces 183325. Substitute parts can look different from the original.
$46.79 | 
11% OFF Phone Price : $52.79
In Stock
Label 183765
#NI

Water heater diagram

Label

Part #183765

Replaced by #183765-000

?
Manufacturer substitution
This part replaces 183765. Substitute parts can look different from the original.
$8.49
In Stock

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