15mm (1/2") Standard installation kit with made up hoses. (ID: 509) Price: £ 78.96 This kit includes all of the fittings that you will need to install a water softener on a 15mm indirect (tank fed) systems. INCLUDED IN THE KIT: 15mm bypass set with built in non-return valve. a pair of 1.25 metre length made up hoses. 4 washers 2 meters of 1/2" overflow / drain 5 meters of 3/8" drain a plumbing out kit and some pipe clips. Note: If you're not sure if the system is direct or indirect then order the 15mm (1/2") Full bore installation kit with made up hoses. Allow 3 - 5 working days for delivery. For faster delivery : Phone 01908 270216 for card payments.