The Grant Aerona3 flexi-foot kit with fixings is supplied in a pack comprising of two 600mm feet for mounting the Aerona³ air source heat pumps. The kit serves as anti-vibration as well raising the heat pump off the ground. When installing these with a VortexAir Hybrid when both the boiler and heat pump are sited together externally, two kits will be required totalling four feet. Grant Aerona3 Flexi-Foot Kit c/w Fixings