Experience the reliability and efficiency of the Ideal 177601 Expansion Vessel, a genuine part designed for indoor mounting locations and compatible with Ideal Boiler systems. This essential component is tailored for storage tank water heaters with a tank capacity between 75-150 litres, ensuring a perfect fit for your heating needs. Crafted with a robust metal tank lining, the Ideal 177601 is built to last, providing a secure seal and extra protection against corrosion. By opting for this authentic part, you're choosing quality and durability for your plumbing and heating setup.