Quote:
Originally Posted by strider3700
For now I'm thinking I can manually turn off the breaker after the last shower and then back on just before they start again the next day.
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Actually, you can turn it off before the last shower. There should be more than enough hot water for the shower, and after it stratifies you should still be able to wash hands a few times. The cooler the water in the tank is when nobody's using it, the less heat you'll lose.
I'm surprised that the timers are so expensive. Here a mechanical 250V timer can be bought for the equivalent of $4.
The only problem is that it is 16A, you'd need 25-30A. Maybe two in parallel?