... Solar water heater 2. SRCC, CSA, Solar Keymark, AS/NZS 2712 certified 3. Continuously improved design solar, solar water heater, solar collector, evacuated tube & heat pipe, solar ... / 80" Apricus AP range of evacuated tube solar collectors are suitable for both residential and commercial applications ... . The design of the AP solar collector is a culmination of nearly 10 years ...