Thanks for your quick replies and suggestions. He is coming back tonight to look at it, hopefully can just reset and possibly grease the washer connections.
Re: "filing" - I just meant removal of deposits by abrasion causing some "dust" - he was using brushes I think. I'm not concerned about...
Hi, I have the above combi boiler in the house we just moved into. It was running hot/cold and had not been serviced for a long time so we had it serviced last week. The service person seemed competent and did a lot of filing to get off deposits. (I couldn't fit in the corner at the same time so...