The Grant Aero 12 Litre Sealed System Kit includes a 12 litre expansion vessel, filling loop, pressure gauge, PRV and air vent.
Grant's sealed system kits are designed to suit all Aero heat pump models including this kit which is for a 18 Litre Sealed System.
Sealed system kit for Grant's 6kW, 10kW, 13kW & 17kW heat pumps
Includes : 12ltr expansion vessel, filling loop, pressure gauge, PRV, air vent
Available in 3 sizes - 18ltr and 50ltr sealed system kits also available
A sealed system kit is an installation requirement for the Grant Aero ł range