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Model # HRE3940TCSA Official Maytag electric water heater
Here are the diagrams and repair parts for Official Maytag HRE3940TCSA electric water heater, as well as links to manuals and error code tables, if available.
Error CodesBy Schematic
SELECT DIAGRAM
Browse Parts for
HRE3940TCSA Water Heaters
#22
Body diagram
Nipple (w/he
Part #66001705
Replaced by #66001705
?
Manufacturer substitution
This part replaces 66001705. Substitute parts can look different from the original.
$21.67
In Stock
#11
Body diagram
Terminal cover
Part #66001268
The manufacturer no longer makes this part, and there's no substitute part
#20A
Body diagram
Anode, prima
Part #66001111
The manufacturer no longer makes this part, and there's no substitute part
#10
Body diagram
Thermostat
Part #66001007
The manufacturer no longer makes this part, and there's no substitute part
Element gasket
Part #66001053
The manufacturer no longer makes this part, and there's no substitute part
#17
Body diagram
Thermostat
Part #66001009
The manufacturer no longer makes this part, and there's no substitute part
#9
Body diagram
Bracket, the
Part #66001054
The manufacturer no longer makes this part, and there's no substitute part
#5
Body diagram
Washer, drai
Part #66001021
The manufacturer no longer makes this part, and there's no substitute part
#12
Body diagram
Thermostat
Part #66001008
The manufacturer no longer makes this part, and there's no substitute part
#8
Body diagram
Buss bar kit
Part #66001055
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: 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,…
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: thermostat temperature set too high, thermostats need adjustment, faulty thermostat, shorted heating elemen…
Main causes: faulty pressure relief valve, water is overheating…
Repair guides for electric water heaters
How to replace a water heater element
If your water heater runs out of hot water quickly and one of the two heating elements has failed, replace the element f…
Repair difficulty
Time required
30 minutes or less
How to replace an electric water heater thermostat
If the water temperature fluctuates or you don't get enough hot water, follow these instructions to replace your water h…
Repair difficulty
Time required
30 minutes or less
How to replace a water heater temperature and pressure (T&P) relief valve
Replace a broken temperature/pressure (T&P) relief valve on an electric water heater using these instructions.…
Repair difficulty
Time required
15 minutes or less
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.…