I think that the siphon trap was checked on one of the previous visits and cleaned out and found to be working O.K. but I am not sure about what other bits have been checked/replaced.
My landlord has a list of what she's had replaced but of course I have no access to these and she's never...
Sorry about the CAP's Lock and thanks for all of your replies. I am truly overwhelmed.
The condensate pipe in the kitchen sink was only a temporary measure and it will be re connected to the original pipe which joins the sink drain. Unfortunately whoever originally connected the condensate...
I AM IN RENTED ACCOMODATION FITTED WITH ONE OF THE ABOVE BOILERS. MY LANDLORD HAS A ON GOING PROBLEM WITH IT DESPITE 4 DIFFERENT PLUMBERS AND SEVERAL ELECTRICIANS HAVING ATTEMPTED TO RECTIFY THE PROBLEM.
THE PROBLEM MANIFESTS ITSSELF AS FOLOWS:
THE BOILER IGNITES AND DISPLAYS THE NORMAL STATUS...