FLECK 5600 SXT Electronic valve Automatic meter/time regeneration. Program with high performance which allows a low water and salt per regeneration consumption. Valve body made of Noryl plastic material, NSF listed. Programming is simple and fast, just enter time, day of week, time of regeneration, typically 02.00 at night, number of days between regenerations and hardness input. Complete with plug adapter 12/230V - 50Hz European plug. Hardness regulator output. Is raccomended a minimum hardness in output o