Search results

Make sure that the system is filled to 1.5 bar when completely cold. Check that both taps on the filling loop are completely closed and remove the braided hose between them to confirm this. The bleed screw is replaceable, buy one from a plumbers merchants. Let me know how you get on.

1 The motorised valve has failed -You can buy a new syncron motor for it quite cheaply which might solve the problem. 2 Water pressure on guage should be 1.5 bar when system completely cold. Fill up via filling loop and then vent all the rads. Re fil system to 1.5 bar. Push reset button on...

What sort of pump is it if it has to be sited in the loft?

The flame is lifting off because it is searching for air. Get it checked by a CORGI registered operative. Radiators cold at bottom due to sludge, needs a powerflush

How long it takes to drain is dependant on the size of the pin hole. The valves may be letting by very slightly, are the pipes into the radiator stone cold?

I also think that it's a gas supply fault either at the meter or undersized gas supply to the boiler and suggest that you get a CORGI registered engineer to check. This may be cheaper in the long run as changing parts unnecessarily can become expensive. Good luck

Is the noise only for a short time when either the central heating or hot water first starts up?

Definatly the diverter - they are repairable