What is a Concealed Stop Cock and Why Does Your Bathroom Need One? A concealed stop cock is a wall-fitted valve that controls water flow to a specific line while staying hidden, leaving only a slim chrome plate visible. Raina Bath Fittings' AC-07 Concealed Stop Cock is built in solid brass for durability and corrosion resistance, making it ideal for wash basins, showers, health faucets, and geysers. Its hidden design protects the internal mechanism from knocks and moisture, extending its lifespan. Perfect for minimalist, clutter-free bathrooms, it combines reliable water control with a clean, modern finish—an essential fitting for new builds and renovations alike. https://rainabathfittings.com/product/ac-07-concealed-stop-cock