Gas Water Heater

Model # HJ640PBDSCGA Official Maytag water heater

Here are the diagrams and repair parts for Official Maytag HJ640PBDSCGA water heater, as well as links to manuals and error code tables, if available.

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Browse Parts for
HJ640PBDSCGA Water Heaters
Anode Rod 66001157
#14

Body diagram

Anode rod

Part #66001157

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

Tube Pilot 66001188
#8

Body diagram

Tube pilot

Part #66001188

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

Flue Baffle 66001235
#16A

Body diagram

Flue baffle

Part #66001235

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

Clips, Jacke 66001242
#5A

Body diagram

Clips, jacke

Part #66001242

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

Elbow, Flue 66001211
#21

Body diagram

Elbow, flue

Part #66001211

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

6" Vent Wall 66001444
#23

Body diagram

6" vent wall

Part #66001444

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

Flue Baffle 66001347
#16B

Body diagram

Flue baffle

Part #66001347

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

Thermostat 66001004
#3

Body diagram

Thermostat

Part #66001004

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

Gasket, Adap 66001239
#18A

Body diagram

Gasket, adap

Part #66001239

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

Inner Door 66001029
#5

Body diagram

Inner door

Part #66001029

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

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,…

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

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

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.…