Electric Hot Water Heater

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Calculations

Take water from 55F to 75F -
Recommended - 75-82F [1]. Comfortable- 85-89F [2]
Water Heating Calculator.
Pool - 20x5x4 feet = 400 cu ft

20kw = 240V * 80A
13 cents per kWhr - means 7 hr at 20kw * $0.13/kwhr = $18.20 per heat

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