Horstman Electronic Economy 7 Timeclock

 

Electronic timeswitch providing up to three off peak heating periods per 24 hours. Pre-programmable automatic boost and one hour manual boost. For use with single or dual element immersion heaters, or with two separate, single element immersion heaters. Maxistore specification.

These immersion heater controls, rated at 3kW, have been developed specifically for use with Economy 7 and White Meter tariffs, and can also take full advantage of more recently developed cheap-rate tariffs.