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Maytag
Gas Water Heater

Model # HJ640PBDVTCGA Official Maytag water heater

Here are the diagrams and repair parts for Official Maytag HJ640PBDVTCGA 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 40 parts  |
Stand, Water 66001243
#29

Body diagram

Stand, water

Part #66001243

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

Drain Valve 66001181
#17

Body diagram

Drain valve

Part #66001181

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

Blower 66001290
#4

Body diagram

Blower

Part #66001290

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

Igniter 66001299
#13

Body diagram

Igniter

Part #66001299

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

Access Door 66001205
#19

Body diagram

Access door

Part #66001205

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

Manual, Use & Care (frch/eng) (non-illus) 66001127
#32

Body diagram

Manual, use & care (frch/eng) (non-illus)

Part #66001127

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

Gas Conversion Kit Valve 66001296
#22A

Body diagram

Gas conversion kit valve

Part #66001296

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

Gasket 66001300
#9

Body diagram

Gasket

Part #66001300

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

Pressure Cover 66001314
#21

Body diagram

Pressure cover

Part #66001314

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

Mounting Bracket 66001295
#24

Body diagram

Mounting bracket

Part #66001295

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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