water softener & boiler overflow water softener drain water softener connections filling loop connections CH condensate pipe gas supply Aquaflow Access Valve 12 litre flow regulator ch flow ch return 32 mm MDPE water main CH kitchen island fees sleeved in screed Kamstrup Multical 21 water meter with leak detection and non-return valve (021-66-A0H-8XX) Altecnic 0.16 litre mini expansion vessel Calmag Calsoft M water softener H C G bathroom laundry whb whb bathroom COPPER UP TO THIS POINT Fernox TF1 magnetic filter Plasson 32 mm Stop Tap (3407) with 28 mm copper adaptor set (7488) Honeywell DU145 Automatic Bypass Valve John Guest brass manifolds