Any suggestions of what product I could consider that my existing vented cylinder can use a low/no volt sensor that feeds to a mains programmer to tell it if the cylinder needs heating during timed periods?
Drayton do the one below but with no option to programme when to heat the water e.g. 2 hours morning & evening
Drayton do the one below but with no option to programme when to heat the water e.g. 2 hours morning & evening