The Worcester Bosch Greenstar Keyless Filling Link 7716192610 is an essential accessory for your heating system. It allows for easy and convenient filling of your boiler, saving you time and effort. This high-quality filling link is designed for use with Worcester Bosch Greenstar combi boilers, ensuring a perfect fit and reliable performance. With its keyless design, you can quickly and securely add water to your heating system without the need for tools or keys. Upgrade your boiler with this reliable and user-friendly filling link.