Secure (Horstmann) Electronic 7 Immersion Heater Controler

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Additional Information:
Secure (Horstmann) Electronic 7 Immersion Heater Controler

Where hot water is heated by off peak electricity it is important that the immersion heater controller offers ease of use coupled with the most efficient performance.
Which is where the upgraded Horstmann Electronic 7 controller comes into its own.
Compatible with most cheap rate or off peak tariff structures
Fully interchangeable with all past and present Horstmann Economy 7 controllers
Built in clock
Automatic Summer/Winter hour change
Up to three off peak settings per 24 hours
Programmable and manual boost
Suitable for use with single, dual or twin element immersion heaters

The Electronic 7 is designed to control one or two 3kW immersion heaters, utilising off peak electricity tariffs to provide a tank full of hot water each morning. Additional off peak settings are available to take advantage of the latest off peak tariff arrangements.
A boost button is provided to top up the hot water if supplies are running low and an automatic boost setting to provide a pre programmed daily boost is also available.
A two year battery reserve provides more than the total number of hours of power interruption the typical home will have in 200 years.