Pressure Reducing Kit including 2L Vessel

This is a speedflow accessory for an unvented water heater recommended for 5, 10 and 15 litre models depending on the details of the speedflow installation. Additional accessories may be needed to comply with the water regulations please check before purchase. The SF4 kit contains a 2-litre expansion vessel and check valve to prevent expanded hot water re-entering the cold-water supply. It also comes with a pressure reducing valve, for areas where water pressure is high. The SF4 kit is suitable for use with small unvented water heaters such as the Hyco Speedflow unit.

• SF4 Kit Expansion vessel, check valve and pressure reducing valve.
• Recommended if pressure is above 4.2 bar and hot water expansion cannot be accommodated in the pipework.
• Fast install inlet group new inlet group to connect expansion vessel and pressure relief valve, incorporating check valve and service valve, to ensure installation is correct every time. Allows for easier quicker installation, saves valuable time and service valve facilities easy maintenance.