Hyco SF3 Speedflow Expansion Vessel & Check Valve - SF3

Hyco SF3 Speedflow Expansion Vessel & Check Valve The Hyco SF3 Speedflow Expansion Vessel & Check Valve is an essential accessory designed for use with Hyco Speedflow unvented water heaters. Depending on the specific installation requirements, additional components such as this expansion vessel and check valve may be required to ensure compliance with UK water regulations. This unit incorporates a 2-litre expansion vessel pre-set to 3.5 bar, helping to accommodate thermal expansion within the system. By controlling pressure fluctuations and preventing backflow, it helps maintain safe and efficient operation of the water heating system. Designed for straightforward integration with Speedflow installations, the SF3 accessory ensures reliable pressure management while supporting regulatory compliance in commercial and domestic hot water systems. Key Features Expansion vessel and check valve accessory for Hyco Speedflow systems 2-litre expansion vessel pre-set to 3.5 bar Helps manage press