John Carlyle-Clarke wrote:
The Natural Philosopher wrote:
John Carlyle-Clarke wrote:

By the way, do you have any idea about the height of the durgo valve?

Higher than the highest fault water-level of the sink, basin, bath or
toilet cistern, for obvious reasons..

Sorry to be dense, could you explain a bit more?


So the durgo dosn't become the default point of overflow.

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