Resideo 40003918-007 3-Way Zone Valve Operator Conversion Kit

The Resideo 40003918-007 Zone Valve Operator Conversion Kit makes it possible to use 3-way functionality with existing 2-way valves in hydronic HVAC systems. It change existing valve to control the flow between two outlets depending on temperature need. The actuator changes the position of the valve ports which is used to direct hot water and improve the system's zoning and temperature control. It is perfect for use with hydronic heating and improves performance without requiring new valves to be installed. The kit makes the system use energy more efficiently, control temperatures better and become more flexible which is an easy way to optimize the HVAC system.