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Model # HJ640NBDVTCGA Official Maytag water heater
Here are the diagrams and repair parts for Official Maytag HJ640NBDVTCGA water heater, as well as links to manuals and error code tables, if available.
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Browse Parts for
HJ640NBDVTCGA Water Heaters
#18
Body diagram
Manifold
Part #66001297
The manufacturer no longer makes this part, and there's no substitute part
#17
Body diagram
Drain valve
Part #66001181
The manufacturer no longer makes this part, and there's no substitute part
#4
Body diagram
Blower
Part #66001290
The manufacturer no longer makes this part, and there's no substitute part
#30
Body diagram
Horizontal v
Part #66001344
The manufacturer no longer makes this part, and there's no substitute part
#3
Body diagram
Ven adapter
Part #66001289
The manufacturer no longer makes this part, and there's no substitute part
#22A
Body diagram
Gas conversion kit valve
Part #66001296
The manufacturer no longer makes this part, and there's no substitute part
#9
Body diagram
Gasket
Part #66001300
The manufacturer no longer makes this part, and there's no substitute part
#32
Body diagram
Manual, use & care (frch/eng) (non-illus)
Part #66001127
The manufacturer no longer makes this part, and there's no substitute part
#27
Body diagram
Flue baffle
Part #66001293
The manufacturer no longer makes this part, and there's no substitute part
#17A
Body diagram
Washer, drai
Part #66001021
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: 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: 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: thermostat temperature set too high, thermostats need adjustment, faulty thermostat, shorted heating elemen…
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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Learn how to decipher symbols so you can buy the right part for your problem.…
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Read about some water heater repairs that you can easily do yourself.…

These common questions and answers can help you make the most of your water heater.…