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Maytag
Gas Water Heater

Model # HJ640NOVET Official Maytag gas water heater

Here are the diagrams and repair parts for Official Maytag HJ640NOVET 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 37 parts  |
Water Heater Exhaust Vent Blower Assembly 9003081
#9

Body diagram

Water heater exhaust vent blower assembly

Part #9003081

Replaced by #100109099

?
Manufacturer substitution
This part replaces 9003081. Substitute parts can look different from the original.
$530.83
In Stock
Burner Orifice 0230225
#18

Body diagram

Burner orifice

Part #0230225

Replaced by #Y0230225

?
Manufacturer substitution
This part replaces 0230225. Substitute parts can look different from the original.
This item is not returnable
$3.33
In Stock
Manifold (na 9003137
#19B

Body diagram

Manifold (na

Part #9003137

Replaced by #66001386

?
Manufacturer substitution
This part replaces 9003137. Substitute parts can look different from the original.
$53.37
In Stock
Stand, Water 9001422
#14

Body diagram

Stand, water

Part #9001422

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

Manifold Liquid Propane 9003138
#19C

Body diagram

Manifold liquid propane

Part #9003138

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

Power Cord 9003095
#6

Body diagram

Power cord

Part #9003095

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

Temperature Valve 66001079
#12

Body diagram

Temperature valve

Part #66001079

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

Washer, Drai 66001021
#13B

Body diagram

Washer, drai

Part #66001021

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

Gas Conversion Kit Valve 9002752
#20C

Body diagram

Gas conversion kit valve

Part #9002752

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

Drain Pan 66001011
#3

Body diagram

Drain pan

Part #66001011

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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