... 1. Heat pipe solar collector 2. SRCC, CSA, Solar Keymark, AS/NZS 2712 certified 3. Continuously improve design Product Descriptionheat pipe solar collector, solar water heater, solar collector, evacuated tube & heat pipe, solar renewable ... low flow-rates• All glass wool insulation for high temperature stability• Patented heat transfer fin design for optimal heat transfer• Long term stability under ...