Grant 18 litre sealed system kit luke Banks 0 min read 26 Mar 2026 Grant 18 litre sealed system kit An 18L sealed system kit which is suitable for use with all Grant Aerona air source heat pump models. 12L and 50L sealed system kits are also available. SKU: HPAWSSK18 Category: Grant Related products Aerona 290 Smart Controller Kit Read more Aerona installation pack P – S-Plan for Smart Pre Plumbed and non-Pre Plumbed cylinders (Components: flexi foot kit, Mag One DUO filter, 18L sealed system kit, 32A AC isolator). Read more Aerona installation pack R – Open Loop Direct Non Pre-plumbed 3 Port Diverter Valve (Components: flexi foot kit, Mag One DUO filter, 18L sealed system kit, 32A AC isolator, 3-port diverter valve). Read more Grant Heat meter kit (compatible with HPID6R32, HPID10R32, HPR290155) Read more Product Enquiry Name: Phone: Quantity required: Email: Product(s) you are enquiring for: Preferred contact method: EmailPhone Message: Please leave this field empty.Please leave this field empty.Please leave this field empty.Δ