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Maytag
Gas Water Heater

Model # HJ640NOVIT2 Official Maytag gas water heater

Here are the diagrams and repair parts for Official Maytag HJ640NOVIT2 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  |
Control, Gas (nat) 66001527
#9

Body diagram

Control, gas (nat)

Part #66001527

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

Burner Orifice 66001041
#17B

Body diagram

Burner orifice

Part #66001041

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

Drain Pan 66001011
#24

Body diagram

Drain pan

Part #66001011

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

Burner Orifice 66001172
#17C

Body diagram

Burner orifice

Part #66001172

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

Anode Rod 66001189
#22

Body diagram

Anode rod

Part #66001189

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

Dip Tube 66001279
#21

Body diagram

Dip tube

Part #66001279

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

Outer Door 66001190
#12

Body diagram

Outer door

Part #66001190

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

Ve Terminal 66001255
#1

Body diagram

Ve terminal

Part #66001255

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

Wiring Harness 66001526
#23

Body diagram

Wiring harness

Part #66001526

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

Burner Orifice 66001025
#17

Body diagram

Burner orifice

Part #66001025

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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