Always gives priority to the off-peak supply Automatically cancels any boost that has been selected ..
These simple controls are intended for use where cheap overnight heating of water is controlled by t..
The Electrisaver is a simple push button electronic timer that saves energy by remembering to ..
The widely used Electronic 7 immersion heater control has been upgraded to give it more contemporary..
The standard by which all other water heating controls are judged, the Economy 7 Quartz is the all-t..