L
Littleoldme
Boiler engineer said knocking noise and vibration was due to blocked condensate pipe due to boiler not being cleaned out regularly, cleaned it out but said he couldn't fix anything which was not inside the boiler. Company still charged me flat £240 fee for the privilege! Now skint. Second company's plumber said condensate pipe is partially blocked, he managed to clear it a bit, and I should try to blast it with an aerosol of some type, which he didn't have on him at the time. Where can I get one of the aerosols he was talikg about (in the UK?), what are they called, and what sort of gadget do I need to connect the aerosol to the white overflow pipe when I've unscrewed the condensate trap off the bottom of the boiler? Should I try buying a new condensate trap from the boiler manufacturer to see if that could be the problem, before I start trying to blast the pipe? I can't use a wet-and-dry vacuum to suck gunk from the bottom end because the condensate pipe is glued into the sink drain pipe with no unscrewable parts. Once the condensate pipe leaves the trap under the boiler, it disappears into the wall (through ceramic tiles) at 90 degrees, then presumably snakes down the inside of the wall with at least one or two further bends, before coming in through the back of the cupboard under the sink and going through 2 more 90 degree bends in an inaccessible place with a nearly horizontal final run to the sink waste pipe. There's not enough pipe for me to be able to cut and replace with unscrewable fittings down there, so I daren't try to tackle it from the bottom end. On the evidence of the second chap (who said the installation configuration was bound to cause problems) I called the builder's contractors in, but their man said there was enough drop in the condensate pipe from start to finish that all the 90 degree bends wouldn't matter, and refused to do anything to help. Any suggestions welcomed please...
