Includes a 10kg Bag of Food Grade Tablet Salt The Tapworks NSC11PRO Water Softener replaces the Tapworks AD11 and AD10 Water Softeners. The Tapworks NSC11PRO is an ultra-efficient compact water softener, suitable for 1-7 people. The Tapworks Easyflow NSC11PRO comes complete with a Full Installation kit - Everything you need to install the unit no matter what system you have! *Installation kit includes components you need to install on... - Conventional vented system - Combi Boiler - Unvented System - Pressurised System - Megaflow System The Tapworks NSC11PRO water softener is simple to commission and requires NO specialist commissioning. In fact, to start the unit you only to set two parameters- time and hardness. Even with an 11 litre tank the NSC 11 PRO .