Recent content by mrt

First of all thanks to everybody contributed. It was a blocked flexi pipe!!! It was comletely blocked !!!! I unblocked it and pressure does not increase higher then 1.5bar (1.2 cold) After bad expirience with local plumber (he changed the valve and asked 500£ to change the vessel) I thought...

Thanks for your help I could nor agree more i should call professional but I just had bad experience. I was charged 100£ to charge the pressure valve - it did not help so i was told to change the expansion vessel will cost me ~450-500£ and 5 hours labour !!!! I did it in 30 mins just following...

I forgot to mention. there is no leeks. Pressure when cold does not change for days

I have Puma 80e boiler servising 10 average size radiators. It is loosing pressure after heating is on. Pressure rises from 1bar(cold) to over 3bar (hot) in several minutes then pressure valve opens and system pressure reduces below 0.5 bar when cool down. By now i have changed both the pressure...