tec

Hi All, Just to say I am a end user not plumber. Have a problem with the hot water. It intermitantly runs tepid. About 3 months ago I had the Diverter valve changed as I had no hot water at all. Since then I have had tepid water intermittently. I happens mostley first thing in the morning. The...

The problem I'm having is that occasionally, when the heating is switched on, the green 'radiator/heating' light comes on on the boiler, but not the amber 'flame' light. While the boiler is on this state, radiators don't get warm. If I turn the boiler off and back on, the heating kicks in as...