Solar Thermosiphon Water Heater This thermosiphon solar water heater is ideal for farms and applications such as holiday homes and campsites. •  Stainless Steel tank –with 240 Litre or 300 Litre capacity with 50mm insulation. •  24 or 30 Vacuum Tubes 1900mm long. •  Painted galvanised steel frame with stainless steel fasteners. DAC-E,DAC-EH specifications .pdf ..

Evacuated Tubes A perfect combination of the vacuum tube and the heat pipe.   1).Higher heat efficiency: advanced heat transferring style of the heat pipe, excellent selective absorb coating and perfect combination with high vacuum heat preservation. Heat-Pipe   2).Wide applicable range: as the heat pipe has less heat capacity, it can be started quickly even under cloudy fine day and collect ..