Precise Control: Allows easy and precise handling of the boiler’s service valve. Vaillant Compatibility: Specifically designed to fit Vaillant boilers with part number 0020010292. Durable Build: Made from high-quality materials to withstand regular use in demanding boiler environments. User-Friendly: Simple to install, helping to maintain boiler functionality with minimal hassle. Long-Lasting Performance: Engineered to endure frequent use, offering dependable performance over time. 12-Month Warranty: Comes with a 12-month warranty, ensuring quality and peace of mind with every purchase., Manufacturer: HTS