Just electric in the house - no gas.
I have 2 switches in the airing cupboard, one for the immersion heater to heat the hot water (which works fine), and the other one also to heat the hot water overnight using Economy 7 night rate. This one doesn't work - any ideas?
I have 2 switches in the airing cupboard, one for the immersion heater to heat the hot water (which works fine), and the other one also to heat the hot water overnight using Economy 7 night rate. This one doesn't work - any ideas?