The most common way to heat water in the United States is with a tank-style water heater. Tank water heater units heat water even when not in use, to compensate for standby heat loss. Insulation between the storage tank and the outer jacket slows this heat loss, but cannot eliminate it entirely. To maintain a preset water temperature, the water heater must cycle on periodically, even when there is no demand for hot water.
Tank water heaters generally have about 70% usable capacity, meaning a typical 50-gallon tank has about 30-35 gallons of truly hot water in reserve for usage. If there is high demand over a short period – a family taking back-to-back showers in the morning or a vacation home packed with guests – the hot water can run out. When it does, homeowners have to wait for the water to get hot again.
Features
- Brass drain valve
- Stainless steel lower heating element
- EverKleen™ self cleaning device
- Premium grade anode rod
- Temperature and pressure relief valve included
- Exclusive Rheemglas® tank lining resists corrosion and prolongs tank life
- Isolated tank design reduces conductive heat loss
- Electric junction box located above heating elements for easy installation
- Over-temperature protector cuts off power in excess temperature situations
- Automatic thermostat keeps water at desired temperature
- Compliant with many electric utility incentive programs
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