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Maytag
Gas Water Heater

Model # HJ640PBPDT Official Maytag gas water heater

Here are the diagrams and repair parts for Official Maytag HJ640PBPDT gas 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 42 parts  |
Blower 66001290
#4

Body diagram

Blower

Part #66001290

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

Clips, Jacke 66001242
Clips, jacke

Part #66001242

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

Horizontal V 66001344
#31

Body diagram

Horizontal v

Part #66001344

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

On O Switch 66001247
#13

Body diagram

On o switch

Part #66001247

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

Pressure Cover 66001314
#17

Body diagram

Pressure cover

Part #66001314

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

Drain Valve 66001181
#20

Body diagram

Drain valve

Part #66001181

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

Manifold (lp) 66001660
#22A

Body diagram

Manifold (lp)

Part #66001660

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

Wall Collar 66001343
#2

Body diagram

Wall collar

Part #66001343

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

Flue Baffle 66001293
#11

Body diagram

Flue baffle

Part #66001293

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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