Electric auxiliary heater heat pump 

 1. Made of stainless steel welded structure, small size, beautiful appearance, filling in the thick stainless steel inside and outside the insulation layer between the gall bladder, heat loss is small; 

 2. Heated water into the tank through an external circulating pump, heating uniformity, no high and low temperature corner, high thermal efficiency; 

 3. Durable stainless steel electric heating; 

 External structure, easy maintenance, as long as you can remove the cover and the flange removed the electric heating tube.