|Since 1856, A.Y. McDonald Mfg. Co. has been providing the solution to make water work for you and your community. The curb stop is defined as a valve installed in the water service line and accessible for operation from aboveground for routinely interrupting flow through the service line. As just part of the journey to bringing access of water to communities, the curb stop itself plays a pivotal role in the process. By trusting in our many years of experience and talented team of experts, be prepared to invest in some of the best curb stops out there. For product inquiries and ordering information, feel free to contact us.