stainless steel solar water heaters, solar energy,solar water heater the whole set lowest price is only 180 usd(18 pcs 58x1800mm pipes, ... food standard stainless steel, auto water add control, temperature and water level display, hot-cool water mixer valve, shower nozzle, water pipe 30m, heat preservation ... with capacity 135ltr up to 325ltr Customized is available solar water heater