AO Smith
Gas Water Heater

Model # FPSE75230 Official AO Smith water heater

Here are the diagrams and repair parts for Official AO Smith FPSE75230 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”.

We encourage you to save the model to your profile, so it’s easy to access parts and manuals for your appliance whenever you log in.

For DIY troubleshooting advice and repair guides, visit our repair help section.

Model diagram and schematic

SEARCH WITHIN THIS MODEL

?

This is the number corresponding to the part on the diagram / schematic

Search
ALL PARTS
Showing 10 of 51 parts  |

Lock Nut 29001
#8

Water heater diagram

Lock nut

Part #29001

This item is not returnable
In Stock
Restrictor 35405
#3

Water heater diagram

Restrictor

Part #35405

This item is not returnable
In Stock
Pilot Tube 23330
#12

Water heater diagram

Pilot tube

Part #23330

Replaced by #9004473115

?
Manufacturer substitution
This part replaces 23330. Substitute parts can look different from the original.
In Stock
Label 182734
#NI

Water heater diagram

Label

Part #182734

Replaced by #182734-000

?
Manufacturer substitution
This part replaces 182734. Substitute parts can look different from the original.
In Stock
Wall Plate 181557
#28

Water heater diagram

Wall plate

Part #181557

Replaced by #9004364105

?
Manufacturer substitution
This part replaces 181557. Substitute parts can look different from the original.
In Stock
Sealant 181564
#29

Water heater diagram

Sealant

Part #181564

Replaced by #9004365105

?
Manufacturer substitution
This part replaces 181564. Substitute parts can look different from the original.
In Stock
Inner Door 39923
#17

Water heater diagram

Inner door

Part #39923

Replaced by #100109442

?
Manufacturer substitution
This part replaces 39923. Substitute parts can look different from the original.
In Stock
T & P Valve 23740-1
#42

Water heater diagram

T & p valve

Part #23740-1

Replaced by #100108279

?
Manufacturer substitution
This part replaces 23740-1. Substitute parts can look different from the original.
In Stock
Plate 192625
#10

Water heater diagram

Plate

Part #192625

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

Orifice 29366-21
#9

Water heater diagram

Orifice

Part #29366-21

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

Most common symptoms to help you fix your water heaters

Choose a symptom to see related water heater repairs.

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

Main causes: loose water pipe fittings, leaky drain valve, bad temperature-pressure relief valve, leaky heating element,...

Main causes: water supply needs chlorine treatment, anode rod too reactive...

Main causes: broken heating element, thermostat failure, excessive tank sediment, tank size too small, burner valve asse...

Main causes: faulty pressure relief valve, water is overheating...

Main causes: thermostats need adjustment, water heater capacity too low, bad heating element, thermostat failure, excess...

Main causes: thermostat temperature set too high, thermostats need adjustment, faulty thermostat, shorted heating elemen...

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.

How to read a wiring schematic video

How to read a wiring schematic video

Learn how to decipher symbols so you can buy the right part for your problem....

Easy DIY water heater repairs

Easy DIY water heater repairs

Read about some water heater repairs that you can easily do yourself....

Water heater common questions

Water heater common questions

These common questions and answers can help you make the most of your water heater....