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Calrifire

Hi
Is possible to heat the water in a calorifire with a external water cooled system as a oppossed to a skin tank .

Asked by: Mick turner  | 2.11pm, Monday 8 January


WW says:

If the engine is freshwater cooled, then a calorifier can be used. A freshwater cooled engine uses coolant (with antifreeze in) which circulates around the engine. This is then cooled in a heat exchanger block by raw water drawn from the canal/river, before usually being dumped into the exhaust to cool it.
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If the engine is just raw water cooled (where the canal water circulates around the engine block), then the raw water will not become warm enough to effectively heat a calorifier unfortunately- this is required, otherwise scale and deposits would clog the engine.
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Most marine engines that are freshwater cooled are already fitted with calorifier pipe attachment points- if you let us know what engine model you have, we may be able to help further.

Mark Langley  | 2.44PM, Monday 8 January

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