Rain Bird Valves have a decades-long reputation in the industry as the most reliable residential valves on the market. The HV valve follows in that grand tradition. They are tested to tough standards to ensure high performance for many years to come making it a great residential valve choice.Rain Bird® HV valves install quickly, service easily and deliver reliable performance you can count on all at an affordable price. A more compact design makes it easier to install and allows you to put more valves in a single valve box. Heavy-duty construction and fewer screws simplify maintenance. Its reverse-flow design is engineered to stand up to the diverse and challenging needs of any landscape. Like all Rain Bird valves, HV Valves are built to work with any standard sprinkler timer.