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Horstmann Electronic 7 Immersion Controler

Horstmann Electronic 7 Immersion Controler
Product Code: HORE7
Reward Points: 0
Availability: In Stock
Price: £87.07
Ex Tax: £72.56

Product Code ELECTRONIC7 / HORE7

Horstmann Electric 7 Series 3 Immersion Heater Control

The Horstmann Electronic 7 is the digital equivalent to thw renowned Horstmann Economy 7 Quartz timer and is designed for use with Economy 7 and other more recent cheap tarrif arrangements. 

Where 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.  This is where the Horstmann Electronic 7 Series 3 controller comes into its own. 

  • Compantable with most cheap rate or off peak tariff structures, the electronic 7 is fully interchangeable with all past and present Horstmann economy 7 controllers.
  • Built in clock - automatic summer / Winter time change.
  • Up to three off peak setting per 24hrs.
  • Programmable and manual boost.
  • Programme security feature.
  • Suitable for use with single, dual or twin element immersion heaters. 

The Elctronic 7 is designed to control one or two 3Kw immersion heaters, utilizing off peak electricity tarifs to provide a tank full of hot water each morning.  Additional off peak settings are available to take advantage of this 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. 

The electronic 7 series 3 is interchangeable with previous economy 7 controllers using the standard size economy 7 wall box and plug in connectors. 

A lithium battery provides more than adequate back up to maintain time and programme settings in the event of a power failure. 


  • Contact Rating: 13Amps 230V AC Suitable for immersions up to 3Kw. 
  • Contact Type: Micro disconnection on control disconnection to immersion heaters on double pole rocker switch. 
  • Supply: 230V 50Hz
  • Pollution Type: Degree 2 Normal situations
  • Moisture Protection: Ordinary
  • Enclosure Protection: IP30
  • Shock Protection: Class 1
  • Live Parts: Enclosed
  • Operating Temperature Range: 0-35'C
  • Battery Reserve: Approximately 2 years total power disconnection
  • Dimmensions: 170mm x 115mm x 60mm (excluding rocker switch)
  • Clock: AM / PM Indicators Winter / Summer Indicators
  • BEAB Approved