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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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Error Codes

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

?
Manufacturer substitution
This part replaces 66001386. Substitute parts can look different from the original.
$53.37
In Stock
Igniter 66001299
#16

Body diagram

Igniter

Part #66001299

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

Burner Orifice 66001025
#18

Body diagram

Burner orifice

Part #66001025

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

Water Heater Temperature And Pressure Relief Valve 66001216
#12A

Body diagram

Water heater temperature and pressure relief valve

Part #66001216

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

Burner Orifice 66001035
#18A

Body diagram

Burner orifice

Part #66001035

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

Burner Orifice 66001172
#18C

Body diagram

Burner orifice

Part #66001172

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

Flue Baffle 66001370
#5

Body diagram

Flue baffle

Part #66001370

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

Drain Valve 66001181
#13A

Body diagram

Drain valve

Part #66001181

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

Anode Rod 66001189
#11

Body diagram

Anode rod

Part #66001189

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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