Instantaneous water heaters
Regardless of the method of radiant heating water heaters are divided into instantaneous and cumulative. Electric water heater compact and give hot water immediately. Despite the large electric power, these devices are quite economical, since the power consumption only during the percolation of water through them. There are flow heaters of various capacities. For example, a whole range Stiebel Eltron Tempra (Germany) includes a miniature device to one source (17 l / min), and devices that can provide hot water cottage (up to 22 l / min). They consume power from 12 to 36 kW. Expensive models are equipped with microprocessors that support user-specified temperature. Typically, home wiring is not designed to connect high-power device, and setting “Stiebel Eltron Tempra” may require a separate power supply circuits with its own circuit breaker, wiring and grounding of the section. Typically, instantaneous water heaters with capacity exceeding 15 kW p for three-phase power.