Horstmann E7 (economy 7) immersion timer switch

15 reviews
5.00 out of 5


Designed for use with Economy 7 off peak rate overnight electricity, the Economy 7 Quartz is the standard by which all other water heating controls are judged and is the all- time best seller in water heating controls. our e7 times are Quartz controlled within 10 minutes a year and with Rechargeable battery keeps time during power interruptions these economy 7 time clock have a Summer and winter time settings instantly visible so you and are set to dublin time.