The Honeywell VRN2CF3D2D Mod F/s Picv 1 Inch Npt 4 0 Gpm w/tpControl Valve. This valve is a pressure regulating control valve, it is a certified product manufactured by Honeywell that’s original and durable for its best dynamic feature. It is the answer to all the pressure that gives the burden for easy installation. It is designed to keep the necessary flow pace through the valve by controlling the pressure drop across the control valve seat. It prevents an overflow or underflow when conventional two-way valves in multi-zone systems open or close. The actuator adjusts the control valve portion of the valves to the requisite flow based on heating or cooling load requirements. The Honeywell VRN2CF3D2D Mod F/s Picv 1 Inch Npt 4 0 Gpm w/tp is independent of supply pressure. Its actuator motion ends when the room controller is in stability and the valve is now set at finest flow. The built-in diaphragm controller balances for the adjustment if system head pressure changes which results to preserving the flow required by the control system without using the actuator. Honeywell VRN2CF3D2D Mod F/s Picv 1 Inch Npt 4 0 Gpm w/tp balances the structure at every point over the range of the control valve within 5% precision at published pressure ratings. . In order to maintain comfort and improve energy efficiency while reducing your maintenance costs, this product is highly recommended.