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just a quicky i would like to power flush my central heating system on a standard 3 bed semi (8 rads) how much should this cost me to get somebody into do it? thanks :?:

can any body give me advice my boiler(ferroli optima )is going over pressure 3 bar after c/h has been on for short while and needs to be refilled once cold again(1.5) bar ?

help needed.my ravenheat 84e combi will start up in the correct manner ie fan starts, airflow will switch,then pilot ignites burners no problem, but the boiler then cut out after only 5-10 secs. the boiler will then restart itself and the same happens again this will just continue , this...

have a prob with ravenheat 84e combi. if i call for hot water by opening a tap ,boiler will start up correctly -light pilot ignites then burners open every thing seems ok then burners and pilot cut off after only being on for 5-8 secs but boiler will then restart itself and this pattern carrys...