... 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 ... heat pipe which transfers heat rapidly up to the manifold.Step 3: A pump circulates water or heat transfer fluid through the header pipe, carrying heat ...