(1)Mainly applied to house,home, villas etc. (2)Safely and reliable, high energy efficiency ratio, energy-saving, widely used. 1.Monobloc Design, specially designed for the outdoor using.2.Occupy small area,easy installation and maintenance;3.Electricity will not contact water directly during heating process, users will not suffer electric shock risk;4.No auxiliary heater,no creepage ,no burn, ...