Gas Water Heater

Model # HJ640POVET2CGA Official Maytag water heater

Here are the diagrams and repair parts for Official Maytag HJ640POVET2CGA water heater, as well as links to manuals and error code tables, if available.

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Browse Parts for
HJ640POVET2CGA Water Heaters
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
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

Temperature Valve 66001079
#12

Body diagram

Temperature valve

Part #66001079

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

Outer Door 66001190
#22

Body diagram

Outer door

Part #66001190

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

On O Switch 66001247
#24

Body diagram

On o switch

Part #66001247

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

Gas Conversion Kit Valve 66001296
#20A

Body diagram

Gas conversion kit valve

Part #66001296

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

Air Switch 66001369
#7

Body diagram

Air switch

Part #66001369

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

Wall Collar 66001262
#2

Body diagram

Wall collar

Part #66001262

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

Manifold 66001318
#19

Body diagram

Manifold

Part #66001318

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: water supply needs chlorine treatment, anode rod too reactive…

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

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

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

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

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

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

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.

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.…

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.…

Easy DIY water heater repairs

Easy DIY water heater repairs

Read about some water heater repairs that you can easily do yourself.…