Requires 1 - 60 amp Double Pole Breaker and 2 - 6 gauge wires Save up to 60 percent on your water heating cost with an electric tankless water heater Tankless water heaters have standard, reliable, easily serviceable elements and heat exchangers that provide 99.8 percent energy efficiency Digital temperature control allows you to set your temperature in increments of 1 degree All electric tankless water heaters come with an automatically resettable thermostat as opposed to a manually resettable thermostat, the integration of all components and quick connections are designed to promote simplicity for the install, Manufacturer: DRAUXI