Sunrise Solar hot Water 1. non-pressurized tank 2. easy installation,adjustable bracket 3. ... . Angle: 38 ° -50 °. Bracket: Galvanized steel sheet. Creativity, more stable and stronger. Capacity Optional: 133L, 142L, 160L, 177L, 213L, 266L, 319L ... flat roof and slope roof PRODUCTS LIST: Item No.SpecificationDiameter of water tank Qty. of solar tubes(pcs)Diameter of solar tube Length of solar tubeTanks ...