Horstmann E7 (economy 7) immersion timer switch

15 reviews
5.00 out of 5


Designed for use with Economy 7 off-peak overnight rate electricity, the Economy 7 Quartz is the standard by which all other water heating controls are judged and it is the all- time best seller in water heating controls. Our e7 timers are Quartz controlled and programmeable from 10 minutes to up to a year and with it's rechargeable battery it even keeps time during power interruptions. These economy 7 time clocks also have a Summer and Winter time setting are set to Dublin time.