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Model # HJ640NOVET2CGA Official Maytag water heater
Here are the diagrams and repair parts for Official Maytag HJ640NOVET2CGA water heater, as well as links to manuals and error code tables, if available.
Error CodesBy Schematic
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Browse Parts for
HJ640NOVET2CGA Water Heaters
#19B
Body diagram
Manifold (na
Part #66001386
Replaced by #66001386
?
Manufacturer substitution
This part replaces 66001386. Substitute parts can look different from the original.
$53.37
In Stock
#20B
Body diagram
Gas conversion kit valve
Part #66001345
The manufacturer no longer makes this part, and there's no substitute part
#21
Body diagram
Thermostat cover
Part #66001302
The manufacturer no longer makes this part, and there's no substitute part
#12A
Body diagram
Water heater temperature and pressure relief valve
Part #66001216
The manufacturer no longer makes this part, and there's no substitute part
#5
Body diagram
Flue baffle
Part #66001370
The manufacturer no longer makes this part, and there's no substitute part
#23
Body diagram
Cover, air p
Part #66001258
The manufacturer no longer makes this part, and there's no substitute part
#8
Body diagram
Switch reservoir
Part #66001367
The manufacturer no longer makes this part, and there's no substitute part
#7
Body diagram
Air switch
Part #66001369
The manufacturer no longer makes this part, and there's no substitute part
#18B
Body diagram
Burner orifice
Part #66001041
The manufacturer no longer makes this part, and there's no substitute part
#16
Body diagram
Igniter
Part #66001299
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.…