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Model # HJ640NBDS Official Maytag water heater
Here are the diagrams and repair parts for Official Maytag HJ640NBDS water heater, as well as links to manuals and error code tables, if available.
Error CodesBy Schematic
SELECT DIAGRAM
Browse Parts for
HJ640NBDS Water Heaters
#22
Body diagram
Collar liner
Part #9000723
Replaced by #66001213
?
Manufacturer substitution
This part replaces 9000723. Substitute parts can look different from the original.
$34.31
In Stock
#24
Body diagram
Vent cap assembly
Part #9000725
Replaced by #66001215
?
Manufacturer substitution
This part replaces 9000725. Substitute parts can look different from the original.
$128.83
In Stock
#23
Body diagram
Vent wall
Part #9000724
Replaced by #66001214
?
Manufacturer substitution
This part replaces 9000724. Substitute parts can look different from the original.
$89.25
In Stock
#9E
Body diagram
Burner orifice
Part #0230225
Replaced by #Y0230225
?
Manufacturer substitution
This part replaces 0230225. Substitute parts can look different from the original.
This item is not returnable
$3.33
In Stock
#9C
Body diagram
Burner orifice
Part #0230223
Replaced by #Y0230223
?
Manufacturer substitution
This part replaces 0230223. Substitute parts can look different from the original.
This item is not returnable
$3.29
In Stock
#19A
Body (models with piezo ignitor) diagram
Dip tube
Part #66001279
The manufacturer no longer makes this part, and there's no substitute part
#23
Body (models with piezo ignitor) diagram
Plate, adapt
Part #66001240
The manufacturer no longer makes this part, and there's no substitute part
#7A
Body (models with piezo ignitor) diagram
Manifold
Part #66001044
The manufacturer no longer makes this part, and there's no substitute part
#13
Body diagram
Water heater temperature and pressure relief valve
Part #9000728
The manufacturer no longer makes this part, and there's no substitute part
#3
Body (models with piezo ignitor) diagram
Access door
Part #66001206
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.
Learn how to decipher symbols so you can buy the right part for your problem.…
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.…