Description This SpiroVent air separator/deaerator from Spirotech should always be fitted at the hottest point within your system. In the case of a heating system, for example, this is the point where the water exits the boiler. In the case of a cooling system, it is in the return before the chiller unit. When installed in the correct location this SpiroVent separator has the capability to deaerate your entire system as it can make the water absorptive. Features & Benefits: Spirotech Brass SpiroVent Air Separator 180°C 10 Bar Deaerates your entire system To be installed at the hottest point within your heating or cooling system Makes water absorptive Range of sizes