Timeguard NTT08 7 Day Slimline Electronic Immersion Heater Timeswitch

7-DAY DIGITAL IMMERSION TIMER: Designed for immersion heaters, with 4 ON/OFF periods and switching times accurate to the minute. Programme the same times every day or set a full 7-day schedule to heat your water only when you need it. 1 OR 2 HOUR BOOST AT THE TOUCH OF A BUTTON: Need extra hot water? The boost button gives 1 or 2 hours of heating on demand. The self-cancelling override switches to the next programme change, and permanent ON is also available. EASY TO READ, EASY TO USE: The extra-large screen has blue LED backlighting, and large programme buttons make setting up simple. The red Mains ON and green Output lights show at a glance whether the heater is on, and a slide cover over the programme buttons helps prevent accidental changes. 28 DAY BATTERY BACKUP & AUTOMATIC CLOCK CHANGE: A rechargeable battery keeps your settings for up to 28 days during power cuts, and automatic summer/wintertime changeover means no adjusting the clock twice a year. 16A RATED, 3 YEAR WARRANTY, PROFESSIONAL INSTALLATION RECOMMENDED: Rated for 16A resistive loads, 4A inductive and 100W LED lighting. The slimline surface mount design (121 x 74 x 42mm) comes with fixings included and has back and bottom cable entry. Backed by a 3-year warranty for peace of mind. Class I construction, so it must be earthed. IP20 rated for indoor use. Installation by a qualified electrician is recommended.