The MORCO Expansion Vessel GB24/GB30 Icb118002 is a replacement part designed for residential boilers. This expansion vessel is specifically manufactured by MORCO to ensure compatibility and reliability in heating systems. It serves as a crucial component in regulating the temperature and pressure of the heating system, maintaining optimal performance and efficiency. Perfect for those looking to replace or upgrade their existing expansion vessel, this product is a practical solution for maintaining a functional and efficient heating system in their home.