本技术报告对影响太阳能热水系统内部腐蚀的参数进行了讨论。以下主题未涉及:聚合物材料（塑料和橡胶）与流体之间的相容性问题；外壳和吸收器外表面的腐蚀风险；安全和健康问题。

This Technical Report provides a discussion of the parameters that have a bearing on the internal corrosion of solar water heating systems. The following topics are not dealt with: problems of compatibility between polymeric materials (plastics and rubber) and fluids; corrosion risks concerning the enclosure and the external surface of the absorber; safety and health questions.