i ve noticed that water in storage cylinder has only been heating up when the central heating has been on. since the weather has been warm recently i have turned the room thermostat down so the heating stays off. since doing this i have realized that the water in the cylinder has not been heating up separatetly even though its is programmed to come twice a day. it seems to only heat up when the central heating comes on?
what could be causing the bolier not to heat the water cylinder even though it is programmed to?
what could be causing the bolier not to heat the water cylinder even though it is programmed to?