The completely upgraded series 3 Horstmann Electronic 7 immersion heater control offers a range of features that make it an attractive proposition for both the user and the installer alike.
Importantly, the Electronic 7 is fully compatible with all utility tariffs and is very simple to programme in the off peak settings using step-by-step, on screen programming.
With a more contemporary look featuring a larger back lit display, the Electronic 7 is fully interchangeable with earlier versions of the controller.
The Horstmann Electronic 7 Quartz family of controls has for many years been the UK’s all time best selling range of immersion heater controls. Now, with the new Electronic 7, earlier models can be quickly upgraded with minimal cost and disruption using the plug-in connectors and without the need to change the wall mounted back box.
The latest Electronic 7 is fitted with an automatic clock that is pre-set on manufacture and which automatically adjusts to accommodate GMT/BST summer/winter time changes. There is also a long life battery which will maintain the clock and display settings and also switch time settings with the mains supply disconnected. This should be sufficient to cover all unexpected interruptions during the life of the control.
Electronic 7 is compatible with all utility company tariffs that keep to Greenwich Mean Time (GMT) or that vary with British Summer Time (BST). It allows for up to three secure off-peak heating periods every 24 hours, making maximum use of electricity when tariffs are cheaper.
The control retains the 1 hour boost button that permits the householder to activate a short term override of the set programme, permitting more hot water to be heated at any time by switching on the immersion heater for a short ‘boost’.
Alternatively if it is known that extra hot water will be required every day, the ‘boost’ element (in the cylinder) can be programmed so that it will heat only a small part of the tank. This is normally the upper immersion heater element and can be programmed to come on once each day at a set time.
Some utility tariffs offer additional cheaper electricity periods during the day time; the Electronic 7 has extra off peak switching periods available to accommodate these.
For more information on the complete Horstmann range www.horstmann.co.uk