Maytag
Gas Water Heater

Model # HJ640POVETCGA Official Maytag water heater

Here are the diagrams and repair parts for Official Maytag HJ640POVETCGA water heater, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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Showing 10 of 37 parts  |

Manifold (na 66001386
#19B

Body diagram

Manifold (na

Part #66001386

Replaced by #66001386

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Manufacturer substitution
This part replaces 66001386. Substitute parts can look different from the original.
In Stock
Burner Orifice 66001025
#18

Body diagram

Burner orifice

Part #66001025

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

Burner 66001027
#17

Body diagram

Burner

Part #66001027

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

Igniter 66001299
#16

Body diagram

Igniter

Part #66001299

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

Drain Valve 66001016
#13

Body diagram

Drain valve

Part #66001016

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

Gas Conversion Kit Valve 66001345
#20B

Body diagram

Gas conversion kit valve

Part #66001345

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

Dip Tube 66001307
#10

Body diagram

Dip tube

Part #66001307

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

Use And Care Manual 66001135
#25

Body diagram

Use and care manual

Part #66001135

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

Manifold 66001318
#19

Body diagram

Manifold

Part #66001318

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

Power Cord 66001372
#6

Body diagram

Power cord

Part #66001372

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.

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

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

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

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

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

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

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.

How to read a wiring schematic video

How to read a wiring schematic video

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Easy DIY water heater repairs

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Water heater common questions

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