For use with cheap overnight tariffs such as Economy 7 or similar to provide a tank full of hot water each morning.
Supplied with a standard wall box and can be used to replace all previous Economy 7 Quartz models without needing any major re-wiring
Accurate to +/- ten minutes a year
Summer and winter time settings instantly visible
Rechargeable battery keeps time during power interruptions
Up to 60 minute boost means extra hot water at any time
Indicator lights to show whether on-peak or off-peak power is being used
Suitable for immersion heaters up to 3kW