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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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ALL PARTS
Showing 10 of 40 parts  |
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

Air Switch 66001313
#26

Body diagram

Air switch

Part #66001313

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

Horizontal V 66001344
#30

Body diagram

Horizontal v

Part #66001344

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

Wiring Harness 66001301
#31

Body diagram

Wiring harness

Part #66001301

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

Flue Baffle 66001293
#27

Body diagram

Flue baffle

Part #66001293

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

Ven Adapter 66001289
#3

Body diagram

Ven adapter

Part #66001289

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

Power Cord 66001372
#23

Body diagram

Power cord

Part #66001372

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

Manifold 66001297
#18

Body diagram

Manifold

Part #66001297

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

Manifold 66001298
#18A

Body diagram

Manifold

Part #66001298

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

How to read a wiring schematic video

Learn how to decipher symbols so you can buy the right part for your problem....

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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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Water heater common questions

Water heater common questions

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

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