wire water heater thermostat
Rewire foam insulated  tank
Buy 36" drill bits
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How to rewire electric water heater

Rewire electric water heater

How to change wiring on electric water heater / foam-insulated tank

Rewire foam insulated  tank
Foam insulation makes it impossible to change wiring.
Foam is pressurized and used to fill cavity between inner steel tank and outer tank shell
The foam fits very tight against wire so wires cannot be replaced.

Start with 3/8" standard drill bit to drill through steel top.
Then use 36" drill bit to drill through foam
Drill through top of tank near wiring cavities
Keep drill bit near outer edge of tank shell

Buy
36" drill bits
Fish bit
water heater thermostat

Take photo of wires ... before starting

Take photo of wires or draw picture showing location of each wire

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Resources for thermostat and element wiring, replacement etc

How to wire water heater thermostats:
How to wire off-peak water heater thermostats

How to wire two water heaters
How to add pilot light indicators to water heater
How to add another thermostat to elecytric water heater

How to replace thermostats
How to replace elements
How to test elements

How to select right wire and breaker
Whirlpool energy smart

Resources for rewiring Energy Smart

How to convert energy smart to regular water heater
3 phase non-simultaneous water heater
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Resources for rewiring 3-phase

How to convert 3-phase water heater to regular water heater
Compare 16 ways to control gas and electric water heater
circuit breaker resources

Circuit breaker resources

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Not enough space for circuit breakers/ use tandem
Circuit breakers
How to install subpanel
Why you need ground wire
See inside breaker box
How to wire safety switch
How to wire whole house surge protector
Figure volts amps and watts
Figure correct wire and breaker
Types of surge protection

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Control water heater w/ Z-wave
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