Imagination Solar

Simple, Affordable, Effective: Using the suns energy to heat water

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Why not use a fully filled system?

Answer

The ISL system has a number of advantages:
  • There is no expansion vessel to regularly service. We simply have a small air pocket that absorbs any water expansion as the system becomes hot.
  • Very low maintenance, as the system does not need servicing or re-pressurising if there are any leaks or a release of water from the pressure relief valve.

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