Get free shipping on your order, with any water filter subscription. Find my filter

Open Hamburger Menu
Sears Parts Direct
Tips to find your model number

AO Smith FGR40237 water heater Parts

Here are the diagrams and repair parts for AO Smith FGR40237 water heater, as well as links to manuals and error code tables, if available.

AO Smith FGR40237 water heater
By Schematic
SELECT DIAGRAM
?

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

Browse Parts for FGR40237 Water Heaters

  • Nipple for AO Smith FGR40237 - Part 38469-10

    Water heater diagram

    Nipple

    Part #38469-10

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

  • Burner Tube for AO Smith FGR40237 - Part 182593-2

    Water heater diagram

    Burner Tube

    Part #182593-2

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

  • High Alt for AO Smith FGR40237 - Part 182573

    Water heater diagram

    High Alt

    Part #182573

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

  • Label for AO Smith FGR40237 - Part 181138

    Water heater diagram

    Label

    Part #181138

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

  • Burner Main for AO Smith FGR40237 - Part 181806

    Water heater diagram

    Burner Main

    Part #181806

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

  • Insert for AO Smith FGR40237 - Part 181235

    Water heater diagram

    Insert

    Part #181235

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

  • Door Cover for AO Smith FGR40237 - Part 180596

    Water heater diagram

    Door Cover

    Part #180596

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

  • Burner for AO Smith FGR40237 - Part 182666-23

    Water heater diagram

    Burner

    Part #182666-23

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

  • Collar for AO Smith FGR40237 - Part 20172-14

    Water heater diagram

    Collar

    Part #20172-14

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

  • Anode for AO Smith FGR40237 - Part 43816-38

    Water heater diagram

    Anode

    Part #43816-38

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

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

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

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.

Quiz: Are you abusing your appliances?

Quiz: Are you abusing your appliances?

Take our quiz to see how well you treat your appliances. Then, find out what you can do to help them last longer.…

Water heater common questions

Water heater common questions

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

Easy DIY water heater repairs

Easy DIY water heater repairs

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

Parts & More

Aerator Attachment
Canister Vacuum
Parts
Upright Vacuum
Vacuum Cleaner