Hi All, I am looking to install a new garden tap at home. Some have told me that I would need a “double-check valve” fitted for the water supply, to prevent freezing the valve in cold weather. Is this an absolute requirement? Would this mean that I would have the valve inside the house and then use a garden tap that does not contain this valve inside it?
Are there any problems in using a tap with a check valve built-in, instead? IE – could it still cause freezing during cold weather? Any advice would be appreciated!
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