An immersion heater time switch with On/Off and clock operation. The unit has electro-mechanical operation and features a rotary dial with easy-to-set tappets that activate switching at pre-set times. Housed in a flush mount case and ideal for private houses, hotels, leisure centres, restaurants, offices, sheltered housing and schools. Slider switch On/Off and program operation. 24 hour operation with a 30 minute resolution. Maximum of 48 On/Off operations per day. Neon On indication. Impact resistant flush mount housing and supplied with a back box for surface mount applications. Easy wiring and ideal for DIY as well as professional installation. Power rating: 3.5kW.