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Horstmann Electronic economy 7 timer with boost switch

Horstmann Electronic 7 Immersion Heater Controller

Horstmann Electronic Economy 7 controller for immersion heaters


Horstmann Electronic programmer for economy 7 hot water

The widely used Electronic 7 immersion heater control has been upgraded to give it more contemporary look with a larger back lit display and incorporating updated electronics.
  • Fully interchangeable with earlier versions using plug-in connectors.
  • No need to change the wall mounting box.
  • Compatible with all utility company tariffs.
  • Automatic clock adjusts to accommodate GMT/BST summer/winter time.
  • Accommodates up to three secure off-peak heating periods every 24 hours.
  • Long life battery maintains the clock, display and switch time settings throughout the life of the control.
  • ‘Boost’ button is ideal for short term overriding of the set programme.
  • ‘Boost’ element (in the tank) can be programmed so that it will heat only a small part of your tank at a set time each day.
  • Can be set to accommodate utility tariffs that offer cheaper electricity periods during the day time.
Model   £ inc VAT

Electronic 7 IHC   £110.35








Horstmann Electronic economy 7 program timer with boost switch




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