Why is my gas boiler not heating the water?
Why is my gas boiler not heating the water? If you have eliminated any other causes listed above and you still have heating but no hot water or your boiler heating is not working but the water is, then it is likely that you have a problem with the diverter valve. This is is a valve that opens and closes to provide heat to the radiators or to heat your water. What's the best way to fix a Ferroli boiler? The Fix: Get an engineer to replace your flue or clamps holding the flue in place. Especially if your Ferroli...