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Posted: Mon Nov 07, 2011 1:44pm

Post Subject: Winterising the Toilet

The 'Loo' article in the latest 'Canal Boat' is very useful. However, I've one more question: Is it best to empty the holding tank completely before laying up the boat?


Posted: Mon Nov 07, 2011 3:57pm

Post Subject: Winterising the Toilet

First of all I doubt it is possible to empty it completely. Secondly as they are normally below the waterline it is doubtful if the contents will freeze because the canal is usually a bit above freezing point down there. In any case I doubt the contents will freeze at 0C. If it is a steel tank I would just make sure there is enough room above the effluent for any ice to expand into. If its a plastic or thin stainless steel it may be best to pump it out, but I expect something will be left in it. I have never emptied my tank for the winter save for when it was necessary for normal use. Tony Brooks

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