J
Welcome to the forum. Although you can post in any forum, the USA forum is here in case of local regs or laws
As per the water regs each appliances/outlet should have the ability to be independently isolated
All though I agree there usually useless I still fit them to everything where practical, but usually just put to good quality full bores on the hot and cold incoming into the bathroom
Reply to the thread, titled "Flexi hoses" which is posted in UK Plumbers Forums on Plumbers Forums.
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