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electric marine hot water heaters
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Wayne.B
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electric marine hot water heaters
On 14 Jun 2004 19:47:36 GMT,
(Greg) wrote:
A double isolation exchanger is one with an intermediate fluid between the
potable water and the heating water. That way a single failure will not
contaminate your water. It is usually used any time the heating fluid is a
glycol mix.
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Assuming you don't drink the hot water, a simple check valve in the
cold water supply line will suffice. I've never seen a boat with the
arrangement you describe, but anythings possible I suppose.
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electric marine hot water heaters