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Model # GPCR40100 Official AO Smith water heater
Here are the diagrams and repair parts for Official AO Smith GPCR40100 water heater, as well as links to manuals and error code tables, if available.
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Browse Parts forGPCR40100 Water Heaters
- #8
Water heater diagram
SwitchPart #185135-000
Replaced by #100110013
?Manufacturer substitutionThis part replaces 185135-000. Substitute parts can look different from the original.$78.89In Stock - #1
Water heater diagram
Anode rodPart #183523-26
Replaced by #100109624
?Manufacturer substitutionThis part replaces 183523-26. Substitute parts can look different from the original.$31.11 |16% OFF Phone Price : $37.11Back Order - #18
Water heater diagram
ValvePart #181508-31
Replaced by #9004240005
?Manufacturer substitutionThis part replaces 181508-31. Substitute parts can look different from the original.$346.32 |$12.00 OFF Phone Price : $358.32In Stock - #17
Water heater diagram
Igniter assemblyPart #184047
Replaced by #100109355
?Manufacturer substitutionThis part replaces 184047. Substitute parts can look different from the original.$167.00In Stock - #44
Water heater diagram
Wiring harnessPart #183506-1
Replaced by #100110825
?Manufacturer substitutionThis part replaces 183506-1. Substitute parts can look different from the original.$75.56In Stock - #16
Water heater diagram
IgniterPart #183630
Replaced by #100109355
?Manufacturer substitutionThis part replaces 183630. Substitute parts can look different from the original.$167.00In Stock - #20
Water heater diagram
Gas valvePart #183760-2
Replaced by #9004267005
?Manufacturer substitutionThis part replaces 183760-2. Substitute parts can look different from the original.$491.40In Stock - #13
Water heater diagram
BurnerPart #184052-2
Replaced by #100111656
?Manufacturer substitutionThis part replaces 184052-2. Substitute parts can look different from the original.$200.00In Stock - #15
Water heater diagram
Nox screenPart #183619
Replaced by #100111088
?Manufacturer substitutionThis part replaces 183619. Substitute parts can look different from the original.$57.78In Stock - #2
Water heater diagram
BafflePart #181382
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: thermostats need adjustment, water heater capacity too low, bad heating element, thermostat failure, excess…
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.

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

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

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