... 3. Long life span and easy operation 4. This type of solar water heater can work in high pressure 5. It uses the heat ... pressure make you bathe more comfortable ADVANTAGES:1. This type of solar water heater can work in high pressure 2. It uses the heat ... of tank:7 holes.Magnesium bar,T/P valve,Limber hole,sensor hole,water inlet and outlet hole,electric heater. MODELStainless steel pressurized Solar ...