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Mend Horstmann Economy 7 Control

How does my Horstmann Economy 7 Quartz/Maxistore control work?

I have the above control box for my economy seven electricity and my bill seemed very high for Aug to Nov. Looking at the device underneath there is a white switch with a red light that comes on when switched on and is labelled 'Water Heater' what does it mean is this is perminatly switched on?

I unfortunatly have no one I can ask to come and look except without paying a fortune so any help would be great.

Thanks

Louise
January 2008
HorstmannHeating, Home Heating SystemsEconomy 7 Control
just moved i cannot operate economy 7 due to no instructions

haroldmonk
September 2013
There is a website under Horstmann.co.uk, you will find all of the user guides on this site for all of the different models they do.

hope this helps.

nadia
January 2008

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