A Solar Water Heater consists of a collector to collect solar energy and an water. The solar energy incident on the absorber panel coated with selected riser pipes underneath the absorber panel. The water passing through the r delivered the storage tank. The re-circulation of the same water through abs the temperature to 80 C (Maximum) in a good sunny day. The total system and pipelines is called solar hot water system. Advantages: Low Investment Payback Period 3-5 Years. Long life span of more than 10 years. Useful for cooking , washing, bathing round the year Flat Plate Collector Water heating system Types: FPC Solar Water Heater – Regular model FPC Solar Water Heater – Pressurized model FPC Solar Water Heater – Heat Exchanger model Capacity Range: 100 LPD to 10,000 LPD