- Heat up by electric heater, no hazard exhaust, sanitary, healthy and zero pollution. - No exhaust heat loss, maintain long-term efficiency. - Sophisticated design, neat in appearance, and small in size. - Electric leakage detection design, which automatically detect electric leaking heater, display the position and stop operating without effect other heaters' function. Safety guaranteed. - Complete installed all safety devices, safety valve, pressure switch, pressure gauge, and prevention of idle combustion. - Electric heaters start in sequence, which maintain steady current instead of abrupt current. - Water insufficient detection : microcomputer automatically operating detection, it prevents idle boiler combustion and detection of broken and deteriorate water pump. - Water level control abnormal detection : microcomputer automatically detects, which effectively prevents water level electrode disconnect, short circuit and breakdown caused by water scale. - Easy to operate, microcomputer self-check and report faulty position.
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