15 Tube Duda Solar Water Heater Collector 37 Frame Evacuated Vacuum Tubes SRCC Certified Hot(25 Tube/37 Degree)

Duda Solar Water Heater Collectors are the most efficient solar collectors on the market. The evacuated tubes retain heat much better than flat panel collectors and therefore can work much more efficiently in cold climates. They also have a unique capability of obtaining higher efficiencies while the sun is at an angle in the east or west through passive tracking in the tubes. SRCC Certified and eligible for the 30% Federal Tax Rebate. May also be used with Duda Solar Aluminum Reflectors.Hailstone Resistance: up to ??mm (1), Max Operating Pressure: 87psi, Max Flow Rate: 5.25 gpm