... -sale service high quality/reasonable price Flat Plate Solar Water Heater Specification1.The Flat Plate Solar Collector is some kind ... pipe-plate style structure, high heat effect, high hot water produced, anti-insolate, water heater in the copper pipe, reliable quality, free ... to one-square foot per gallon of one-day's hot water use. StructureThe flat panel are simple, efficient design, durable ...