Vaillant 012947 Water Quantity Regulator

This Vaillant Water Quantity Regulator by Vaillant Spares ensures stable and consistent system pressure, helping maintain dependable performance and supporting correct operation of the appliance.Vaillant Spares offers a reliable selection of genuine replacement parts designed to maintain and restore the performance of compatible heating and hot water systems. Each component supports efficient operation, long-term durability, and manufacturer approved system protection.. Vaillant 012947 Water Quantity Regulator