Advanced Water Oso Hotwater Multibloc Inlet Control Valve 22mm 510503

An Advanced Water Oso Hotwater multibloc inlet control valve is specifically designed for unvented cylinders. They are quick and easy to install, and can be fitted vertically or horizontally, with the pressure reducer. This multibloc is comprised of a pressure reducing valve, a pressure relief valve, and an internal check valve. This includes a specific connection for a balanced cold water take offs and a dedicated connection for an expansion vessel. It is designed to protect the unvented cylinder by controlling the main supply pressure that goes to the tank and is not designed to regulate the pressure of the entire property.