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Kenmore
Gas Water Heater

Model # 18333273 Official Kenmore 37 gas water heater

Here are the diagrams and repair parts for Official Kenmore 18333273 37 gas water heater, as well as links to manuals and error code tables, if available.

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  • 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”.

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Error Codes

Model diagram and schematic

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Showing 10 of 45 parts  |
Insulation 013034
#21B

Replacement parts diagram

Insulation

Part #013034

This item is not returnable
$2.29
In Stock
Insulation 013035
#21C

Replacement parts diagram

Insulation

Part #013035

$7.50
In Stock
Tubing 051389
#7A

Replacement parts diagram

Tubing

Part #051389

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

Tank 901000
#22

Replacement parts diagram

Tank

Part #901000

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

Guarantee F642-27070A

#NI

All parts diagram

Guarantee

Part #F642-27070A

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

Tubing 051002
#7B

Replacement parts diagram

Tubing

Part #051002

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

Shield 008036
#2A

Replacement parts diagram

Shield

Part #008036

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

Shield 008037
#2B

Replacement parts diagram

Shield

Part #008037

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

Burner 051151
#12

Replacement parts diagram

Burner

Part #051151

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

Orifice 023082
#11A

Replacement parts diagram

Orifice

Part #023082

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.

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Why isn't my water heater heating my water?

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

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Why is there water in my water heater's drain pan?

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

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Why does my hot water smell like rotten eggs?

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

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Why isn't my water heater making enough hot water?

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

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Why is my water heater's pressure relief valve dripping water?

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

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Why isn't my water heater making the water hot enough?

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

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Why is my water heater making the water too hot?

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

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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.

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How to read a wiring schematic video

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