Marine Grade Stainless Steel All Edwards Roof Mounted Systems come with a marine grade stainless steel tank. The main benefits of this are the longevity and reduced ongoing maintenance. Marine Grade Stainless Steel won't rust so there is no need for a sacrificial anode like most other brands of solar hot water systems and the majority of storage systems. This means that there is no need for a regular inspection of an anode, or replacement every few years.

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