Sunrain 300L Vacuum‑Tube Solar Water Heater – Closed Loop Doughnut Makers domestic water supply

domestic water supply

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Sunrain 300L Vacuum‑Tube Solar Water Heater – Closed Loop Doughnut Makers domestic water supplySunrain 300L indirect (Closed loop) Solar Water Heating System designed for long life operation in extreme conditions. Closed loop separates the collector flow water from the process water, heat being transferred through the tank jacket, thus heating the water indirectly. This is suitable for mineralised and brackish water that may corrode or scale the collectors capillaries. Features include: Sunrain 300L indirect (Closed loop) Solar Water Heating