The Glow-Worm Expansion Vessel is a crucial component for maintaining the integrity of closed heating systems, specifically designed to accommodate thermal expansion and prevent excessive pressure build-up. This 10-litre tank is filled with air, providing a reliable cushion against any pressure surges that may occur within the system.

Compatible with Betacom and Easicom boilers, this expansion vessel ensures smooth and safe operation, enhancing the longevity and efficiency of your heating system while minimizing the risk of damage and costly repairs. Perfect for residential and light commercial applications, its an essential investment for dependable and efficient heating management.

• Capacity: 10 litres
• Protects closed heating systems from pressure surges
• Compatible with Betacom and Easicom systems
• Filled with air to cushion against pressure surges
• Enhances system safety and reliability
• Long-lasting and durable construction
• Easy to install and maintain