The Worcester Bosch Expansion Vessel is an essential component for maintaining the stability and efficiency of closed heating systems. Designed for the Greenstar/Junior range, this tank effectively safeguards your system from potentially damaging pressure surges by utilizing a built-in air cushion to absorb fluctuations.

This protective feature not only extends the lifespan of your system but also ensures consistent performance and operational safety. Ideal for homeowners seeking reliability and peace of mind, the Worcester Bosch Expansion Vessel is a smart investment in home comfort and energy efficiency.

• Designed for Worcester Bosch heating systems
• Protects closed systems from pressure surges
• Air-filled to cushion against pressure changes
• Suitable for Greenstar and Junior models
• Ensures system efficiency and safety
• Durable construction for long-lasting use
• Easy to install and maintain
• Essential for maintaining optimal system pressure