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Hot Water Tanks

The AO Smith water heaters are designed to deliver an economical performance that can lower your energy bills and also provide long-lasting value.

Large Water Heaters

  • AO Smith GCR-80 Residential Natural Gas Water Heater, 80 Gallons
  • AO Smith GCR-80 Residential Electric Water Heater, 80 Gallons

Small Water Heaters

  • AO Smith GCR-40 Residential Natural Gas Water Heater, 40 Gallons
  • AO Smith GCR-40 Residential Electric Water Heater, 40 Gallons

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How do electric tank water heaters work?

AO Smith electric tank water heaters heat water using one or two electric heating elements. Temperature sensors inside the tank signal the thermostat when to turn on the heating elements to add heat to the stored hot water. Each electric tank water heater includes a thermostat, a temperature and pressure relief valve, and a drain valve. All of these components are needed to monitor the hot water and ensure efficient, reliable, and safe operation.