The Grohe Expansion Tank for Grohe Red Uk (Part Number 405108245) is a modern and stylish vessel made from bronze, stainless steel, and copper. Specifically designed for the kitchen, this expansion vessel from the reputable brand GROHE is engineered to absorb pressure fluctuations and protect the system. Ideal for those looking to install a GROHE Red kitchen tap without the need for a boiler or filter, this expansion tank offers a reliable and efficient solution for maintaining water pressure in the kitchen.