The Worcester Bosch Greenstar Membrane is an essential component for enhancing the functionality of your combi boiler. Designed specifically for the diverter valve section, it ensures seamless operation by directing hot water precisely where you need itwhether to radiators for whole-home heating or direct to your taps for instant hot water.

This innovation eliminates the need for a separate cylinder, saving space and improving energy efficiency. By maintaining steady and reliable performance, the membrane helps uphold your boiler's efficiency and effectiveness, allowing you to enjoy consistent warmth and hot water delivery throughout your home.

• Essential component for Worcester Bosch Greenstar combi boilers
• Integral to the diverter valve section
• Directs hot water to heating or domestic hot water system
• Enables quick switch between heating and hot water
• Crucial for combi boiler functionality
• Allows efficient use of space without a cylinder
• Maintains system reliability and efficiency
• Compatible with specific Worcester Bosch models