HC Deb 29 July 1976 vol 916 c352W
Mr. Stephen Ross

asked the Secretary of State for the Environment what evaluation he has made of the effectiveness as an aid to saving water of the water conservation valve, details of which have been supplied to him; and if he will make a statement.

Mr. Denis Howell

I understand the fitting in question is being assessed by the National Water Council Approvals Board in relation to the requirements of the model water byelaws. I am not in a position to comment on the overall efficiency of this device as an aid to saving water.

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