Thank you for the reply, what would be the best course of action in this case - an electrician to look at thermostat or plumber to replace with new?
Thanks
Hi,
We have an EU setup in the house. Our hot water tank has the two thermostats, one for off peak and one for peak. Has bee. Working fine untill a few days ago. Woke up to see the smart meter registering 3.5kw in use where normal is none in the morning just before EU stopped. Went to have a...