Hykon Electronic Systems supplies Active Close Loop Split ETC Solar Water Heater. Hykon Electronic Systems is an ISO 9001:2000 recognized company. Hykon Electronic Systems offers diverse types of luminaries, electronic ballasts, solar water heater, evacuated tube collector, solar window collector etc. Active Close Loop Split ETC Solar Water Heater is suited for single and multiple solar heating applications like- domestic solar water heating, industrial solar water heating, solar swimming pool heating and solar space heating system. Active Close Loop Split ETC Solar Water Heater will switch on the pump when the temperature at the collector sensor TC is higher than the return temperature TR by at least the pre selected [Delta T] amount.