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Posted: Thu Sep 11, 2008 9:08am

Post Subject: Calorifiers

When a twin coil calorifier coils are one above other is there a preference of which is connected to the engine and which to the boiler, one assumes the better cylinders have the coild in such a way as to be level and equal, iv'e seen both! Does it have an effect on hot water produced?


Posted: Thu Sep 11, 2008 8:21pm

Post Subject: Calorifiers

Dear Clive,it depends, to a degree, how you intend to operate the boat. I pipe the central heating to the top coil knowing the heating is likely to be on all day so there is plenty of time for convection to heat the full cylinder height. The engine connected to the bottom coil will heat the larger water volume above it faster so if you are only running for an hour or so there may be more hot water. AS I have always done it that way I can not say if I am right or wrong, I suspect convection within the cylinder will get most of it hot, but in what time I have no idea. Tony Brooks

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