My Creda 79141 heaters have one power supply from the wall, my 79153s have two. With the 79153s, one socket has a neon, t'other has not. I know about Economy 7 in theory, in practice I'd quite like to know which of the sockets is (cheap) economy 7 and which is daytime (expensive) boost. Can anyone advise, please?

David, September 2007

Ta ever so...it's always the simple ones that get you in the end

David, October 2007

one supply is permanently live, the other is only live between the hours set by your economy 7 suppliers. if the neon on the switch only comes on say after midnight, then this switch is the Eco7 switch.

stortford electrical services ltd (find us on Yell.), October 2007