It appears my expansion vessel is coming to the end of the road.....the model of boiler is a Ravenheat fan/combi 820T......I would appreciate an approximate cost of installing a replacement vessel?
What makes you think it needs replacing? The vessel itself is about £80+vat, and it'll cost you quite a bit to get it done as the boiler has to be removed from the wall to access the vessel. Allow half a day, so say £200-ish. @ecowarrior is near you and might be interested, or he might suddenly discover he's very busy. I wouldn't blame him
Many thanks.......I've had an engineer out to have a look as the pressure on the gauge was down to 1bar cold and 3bar when hot.....the vessel was re-pressurised(1bar). The pressure on the gauge is now 1.1 when cold and 2 when hot.....a slight improvement.
I don't have the room unfortunately for a an external vessel as the boiler is in a small cupboard in the bathroom. The original will have to be replaced.
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