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Compass Marine How To | all galleries >> Compass Marine How To Articles >> Autopsy A Westerbeke / Universal Marine Heat Exchanger > The Zinc End
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The Zinc End

The Zinc End

This is about as good an example I can come up with as to why you need to change your HX zinc regularly. Each engine will be different in regards to zinc erosion so test it at three, four, six weeks etc. to see which works best for you.

This is WHY these heat exchangers have end caps..

Nikon D40
1/60s f/4.0 at 22.0mm iso200 full exif

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