The hoses from the mixer are connected to the water supply pipes. It is important not to confuse the pipes with hot and cold water. For convenience, you can install taps. With their help, you can easily turn off the water in case of repair of the mixer. https://vherso.com/post/448600_https-www-scribd-com-document-832872622-pvc-pipes-and-plumbing-https-famenest-co.html