Expansion Vessel and Check Valve
Speedflow Accessories Unvented Water Heater 5, 10 and 15 litre
Depending on the details of the Speedflow installation,
additional accessories may be needed to comply with the Water Regulations.
SF3 Kit Expansion vessel and check valve 2 litre expansion vessel set at 3.5 bar
SF4 Kit Expansion vessel, check valve and pressure reducing valve.
SF5 Kit Pressure reducing valve Set at 3 bar.
All SF kit components WRAS approved.