Tankless Water Heater Repair Modesto

Tankless Water HeatersTankless Water Heater Repair Modesto

On-demand, tankless, or instantaneous water heaters heat water instantly when it is called for, therefore there is no need for a storage tank. On-demand water heaters are triggered by the flow of water. When there is demand for hot water, a fuel valve opens, igniting the burner. Cold water enters one side of a coil of copper pipe, which then twists with a heat exchanger that is surrounded by flame, and hot water exits the opposite of the heat exchanger.

The efficiency of an on-demand water heater is based on the heat transfer effectiveness of the heat exchanger and is 75 to 90 percent efficient. One possible issue is pressure drop throughout the heat exchanger which might produce lower flows when more then one source of hot water is used.

Tankless Water Heater Repair Modesto offers the following information from the U.S. Department of Energy on tankless or demand type water heaters.

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