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Model # HJ640NOVET Official Maytag gas water heater
Here are the diagrams and repair parts for Official Maytag HJ640NOVET gas water heater, as well as links to manuals and error code tables, if available.
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HJ640NOVET Water Heaters
#9
Body diagram
Water heater exhaust vent blower assembly
Part #9003081
Replaced by #100109099
?
Manufacturer substitution
This part replaces 9003081. Substitute parts can look different from the original.
$530.83
In Stock
#19B
Body diagram
Manifold (na
Part #9003137
Replaced by #66001386
?
Manufacturer substitution
This part replaces 9003137. Substitute parts can look different from the original.
$53.37
In Stock
#18
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
#11
Body diagram
Anode rod
Part #9000279
The manufacturer no longer makes this part, and there's no substitute part
#19C
Body diagram
Manifold liquid propane
Part #9003138
The manufacturer no longer makes this part, and there's no substitute part
#8
Body diagram
Switch reservoir
Part #9003082
The manufacturer no longer makes this part, and there's no substitute part
#18B
Body diagram
Burner orifice
Part #66001035
The manufacturer no longer makes this part, and there's no substitute part
#24
Body diagram
On o switch
Part #9001773
The manufacturer no longer makes this part, and there's no substitute part
#15
Body diagram
Inner door
Part #66001029
The manufacturer no longer makes this part, and there's no substitute part
#18A
Body diagram
Burner orifice
Part #66001025
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.…

Find out what’s wrong with your appliance by following a circuit.…

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