AO Smith
Gas Water Heater

Model # FPSE75233 Official AO Smith water heater

Here are the diagrams and repair parts for Official AO Smith FPSE75233 water heater, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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Showing 10 of 50 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
Inner Door 39923
#17

Water heater diagram

Inner door

Part #39923

Replaced by #100109442

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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
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
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
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
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
Air Shutter 35376
#5

Water heater diagram

Air shutter

Part #35376

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

Sleeve 182380
#NI

Water heater diagram

Sleeve

Part #182380

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

Most common symptoms to help you fix your water heaters

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

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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: thermostat temperature set too high, thermostats need adjustment, faulty thermostat, shorted heating elemen…

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

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.

Wiring schematic symbols explained video

Wiring schematic symbols explained video

Learn some of the most common symbols found in a wiring diagram and what they mean.…

Using a wiring schematic to trace a current video

Using a wiring schematic to trace a current video

Find out what’s wrong with your appliance by following a circuit.…

Easy DIY water heater repairs

Easy DIY water heater repairs

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