This mechanical immersion timer from Timeguard has been specially designed for installation with both new and existing immersion heater systems. * Up to 24 On and Off programs (additional pins required) * Self cancelling override for instant On/Off switching * For total control of your hot water * Switches On and Off at preset times * Easy to use setting pins * 30 minute minimum switching intervals can be increased in 15 minute steps * Manual override until next program change * Integral thermal fuse for extra protection * Bottom or rear entry for cable * BSI and CE approved https://elecena.pl/product/27172697/timeguard-ts900n-24hr-mechanical-immersion-timer 2024-11-08 https://elecena.pl/product/27172697/timeguard-ts900n-24hr-mechanical-immersion-timer 2025-06-21 https://elecena.pl/product/27172697/timeguard-ts900n-24hr-mechanical-immersion-timer 2025-09-30 https://elecena.pl/product/27172697/timeguard-ts900n-24hr-mechanical-immersion-timer 2026-03-31