Osmio Water
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You must fit a pressure reducing valve …
You must fit a pressure reducing valve if you connect their filters to UK mains water. This is not clear when they take your order. Mine has had parts replaced but still leaks and now i have to get the plumber back to fit a pressure reducing valve. That's £35 for the valve plus the fitting. Osmio should make this clear when they sell the product. I'd advise buying a product from a different supplier that can be connected directly to UK mains supply. And i just searched on the website for the products EZFITPRO-200 EZFITPRO-300 and EZFITPRO-400 and there is no mention of the word valve or PRV. My plumber tells me that it not unusual for the water pressure to rise to 9 bar overnight when few people are drawing water. Your reply reduces my faith further.