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Maytag
Gas Water Heater

Model # HP4940TCAN Official Maytag water heater

Here are the diagrams and repair parts for Official Maytag HP4940TCAN water heater, as well as links to manuals and error code tables, if available.

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Error Codes

Model diagram and schematic

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Showing 10 of 10 parts  |
Valve, Relief-5/8"shank - Series 10 66001079
#1

Body diagram

Valve, relief-5/8"shank - series 10

Part #66001079

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

Dip Tube 66001030
#15

Body diagram

Dip tube

Part #66001030

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

Valve, Drain-5/8" Shank - Series 10 66001080
#3

Body diagram

Valve, drain-5/8" shank - series 10

Part #66001080

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

Orifice, Burner (#50) - Series 12 0230225
#9A

Body diagram

Orifice, burner (#50) - series 12

Part #0230225

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

Tank, Expansion (2 Gal.) - Series 10 66001013
#17A

Body diagram

Tank, expansion (2 gal.) - series 10

Part #66001013

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

Manual, Use & Care - Series 9 66001097
#17B

Body diagram

Manual, use & care - series 9

Part #66001097

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

Baffle, Flue - Series 10 9002281
#16A

Body diagram

Baffle, flue - series 10

Part #9002281

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

Orifice, Burner (#51) - Series 12 0230224
#9

Body diagram

Orifice, burner (#51) - series 12

Part #0230224

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

Draft Hood 66001032
#17

Body diagram

Draft hood

Part #66001032

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

Baffle, Flue - Series 10 9000516
#16

Body diagram

Baffle, flue - series 10

Part #9000516

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 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 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 making the water too hot?

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

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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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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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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.…

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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.…

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Easy DIY water heater repairs

Easy DIY water heater repairs

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

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