Hyco SF4 Speedflow Expansion Vessel, Check Valve & Pressure Reducing Valve - SF4

Hyco SF4 Speedflow Expansion Vessel, Check Valve & Pressure Reducing Valve The Hyco SF4 Speedflow Expansion Vessel, Check Valve & Pressure Reducing Valve is a comprehensive accessory kit designed for use with Hyco Speedflow unvented water heaters. Depending on the specific installation requirements, additional components such as this set may be necessary to ensure compliance with UK water regulations. This accessory combines an expansion vessel, check valve and pressure reducing valve to help maintain safe and efficient system operation. The expansion vessel manages pressure created by thermal expansion, the check valve prevents backflow, and the pressure reducing valve helps regulate incoming water pressure for improved system stability. Designed for straightforward integration with Speedflow systems, the SF4 kit provides a reliable solution for installers needing to meet regulatory requirements while maintaining efficient hot water system performance. Key Features Expansion vessel, c