HORSTMANN

Always gives priority to the off-peak supply Automatically cancels any boost that has been selected ..

£72.53

These simple controls are intended for use where cheap overnight heating of water is controlled by t..

£53.25

The Electrisaver is a simple push button electronic timer that saves energy by remembering to ..

£29.41

The widely used Electronic 7 immersion heater control has been upgraded to give it more contemporary..

£67.52

The standard by which all other water heating controls are judged, the Economy 7 Quartz is the all-t..

£65.52

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