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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
#17A
Body diagram
Flu adapter
Part #66001237
The manufacturer no longer makes this part, and there's no substitute part
#9A
Body diagram
Burner orifice
Part #66001035
The manufacturer no longer makes this part, and there's no substitute part
#9C
Body diagram
Burner orifice
Part #66001041
The manufacturer no longer makes this part, and there's no substitute part
#9D
Body diagram
Burner orifice
Part #66001159
The manufacturer no longer makes this part, and there's no substitute part
#22
Body diagram
Collar liner
Part #66001446
The manufacturer no longer makes this part, and there's no substitute part
#1
Body diagram
Access door
Part #66001205
The manufacturer no longer makes this part, and there's no substitute part
#11A
Body diagram
Burner
Part #66001185
The manufacturer no longer makes this part, and there's no substitute part
#6A
Body diagram
Manifold
Part #66001044
The manufacturer no longer makes this part, and there's no substitute part
#23
Body diagram
6" vent wall
Part #66001444
The manufacturer no longer makes this part, and there's no substitute part
#17
Body diagram
Flu adapter
Part #66001236
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.

Learn some of the most common symbols found in a wiring diagram and what they mean.…
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Find out what’s wrong with your appliance by following a circuit.…

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