The Worcester Bosch Greenstar 25i/30i Supply Manifold Complete Unit 87161063560 is a high-quality boiler part designed for efficient heating systems. Manufactured by Worcester, this compact unit has an energy efficiency rating of A+++, making it a reliable choice for modern boilers. With a manufacturer warranty of 1 year, this black-coloured supply manifold is a essential component for maintaining and improving the performance of your heating system. Suitable for use in most boilers,this unit is a valuable investment for any home looking to upgrade its heating system. Genuine parts from manufacturers.