DIY Doctor UK DIY Forums

Posted: **Fri Oct 19, 2007 7:28 pm**

hi, l got a fault with the boiler, it was working ok last year. the raditors working ok very hot but the boiler only warm. Any ideas please.[/u]

Posted: **Sun Oct 21, 2007 12:49 am**

If the radiators are very hot, then your boiler must be hot! Do you mean the hot water cylinder is luke warm?

Posted: **Sun Oct 21, 2007 5:49 pm**

yes the water cylinder is luke warm. the radiators are hot.

Posted: **Sun Oct 21, 2007 11:43 pm**

1)Turn your cylinder stat up.

2) Check that the motorised valve is working correctly

3) Make sure their are no valves half closed.

boiler only warm with centrel heating on