Vaillant 101558 Thermo-Hydrometer

This Vaillant Thermo-Hydrometer by Vaillant Spares performs a key function within the unit to support reliable performance, 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 101558 Thermo-Hydrometer