The Bell & Gossett 189137 Heat Motor (V01370-INDV) is a high-quality replacement actuator designed for zone valves in hydronic heating and cooling systems. It operates by converting electrical energy into mechanical motion to open or close the valve, ensuring precise temperature control and efficient fluid flow https://www.partshnc.com/189137-xylem-bell-gossett-heat-motor-v01370-indv