Hi Tony, many thanks for your reply - given up trying to get warm - going to the pub.
OK - extra pump is a no no.
My money is on the pump - I'll strip it tomorrow once the hangover has gone :shock:
I'll be amazed if there is a blockage elsewhere as its all new rads and valves.
There is an...
I did suspect that this may have been a possibility - ie the small bedroom rad which was removed was the cross over - I'm going to rip up all the flooring just to double check - I've got to admit after checking everything else I'm at a loss. The only thing I'm not sure of is the auto bypass...
Hi thanks for answering, when I put in a temp bypass there was a visible temperature ridse in both feed and return.
I don't think there is a filter - other thasn the retrun valve mesh - all clean. All new rads and all new valves!
There is an auto bypass valve in this model - could this be the...
Hi, I've just had a boiler moved by my mate (an approved gas engineer) - who's now on holiday!!! - (old Plumbcentre - Jaguar - I know they don't have good press but its been fine for the last 6 years ) The issue is when turning on from cold the boiler rapidly hit the max temp setpoint and knocks...