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Gas Water Heater

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

  • Switch 185135-000
    #8

    Water heater diagram

    Switch

    Part #185135-000

    Replaced by #100110013

    ?
    Manufacturer substitution
    This part replaces 185135-000. Substitute parts can look different from the original.
    In Stock
  • 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
    16% OFF Phone Price : $37.11
    Back Order
  • Valve 181508-31
    #18

    Water heater diagram

    Valve

    Part #181508-31

    Replaced by #9004240005

    ?
    Manufacturer substitution
    This part replaces 181508-31. Substitute parts can look different from the original.
    $346.32
    $12.00 OFF Phone Price : $358.32
    In Stock
  • Igniter Assembly 184047
    #17

    Water heater diagram

    Igniter assembly

    Part #184047

    Replaced by #100109355

    ?
    Manufacturer substitution
    This part replaces 184047. Substitute parts can look different from the original.
    In Stock
  • Wiring Harness 183506-1
    #44

    Water heater diagram

    Wiring harness

    Part #183506-1

    Replaced by #100110825

    ?
    Manufacturer substitution
    This part replaces 183506-1. Substitute parts can look different from the original.
    In Stock
  • Igniter 183630
    #16

    Water heater diagram

    Igniter

    Part #183630

    Replaced by #100109355

    ?
    Manufacturer substitution
    This part replaces 183630. Substitute parts can look different from the original.
    In Stock
  • Gas Valve 183760-2
    #20

    Water heater diagram

    Gas valve

    Part #183760-2

    Replaced by #9004267005

    ?
    Manufacturer substitution
    This part replaces 183760-2. Substitute parts can look different from the original.
    In Stock
  • Burner 184052-2
    #13

    Water heater diagram

    Burner

    Part #184052-2

    Replaced by #100111656

    ?
    Manufacturer substitution
    This part replaces 184052-2. Substitute parts can look different from the original.
    In Stock
  • Nox Screen 183619
    #15

    Water heater diagram

    Nox screen

    Part #183619

    Replaced by #100111088

    ?
    Manufacturer substitution
    This part replaces 183619. Substitute parts can look different from the original.
    In Stock
  • Baffle 181382
    #2

    Water heater diagram

    Baffle

    Part #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.

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.…