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got a quick query on fitting Pura taps to an Ideal Alto basin. Holes in basin are 33mm. body of tap is 42mm, locking nut underneath is 37mm so the lock nut overhangs the basin hole by 2mm all the way round - is this enough overhang?

hmmm ok strange, I think I'll buy elsewhere anyway.... still on the subject of B and Q - I was looking at some large wall tiles there last night approx 400 x 250 - not very flat!!!

just about to buy some for a tiling job and have read that Mapei brand sold in B and Q is not as good as Mapei elsewhere which puzzles me - is there any truth in this? I thought a brand was a brand.. edit I need the powder not ready mixed. Last time I looked on BQ website they had it, looks...

grateful thanks to Agile on here for all your help....

ah ok, seems thats normal then. I was assuming tank was getting warm due to vent pipe discharging but seems its the feed pipe. So if vent pipe not discharging, its not what they call pumping over?

just as a matter of interest, I've just been up the loft after boiler been running for the first time for a few hours, rads very hot and the 15mm pipe that leads from the base of the expansion tank is warm and the 22mm pipe that vents into the tank is stone cold. Is the tank being heated up by...

tank was warm yesterday but cold just now when I went up to tie the vent pipe back - CH had been on prior both times. Well I've done what you said plus tied a latex glove to vent so presume I need to see if water goes in there... RE. the initial installers they are a local prominent independant...

ok done all that! So what is happening when the vent pipe is under water that doesnt happen when its above? Re. questioning it, its never registered with me to check it, I guess with hindsight I should have checked. As for anyone else, well the original installer was in the loft so I dont know...

depth of water in tank when cold 6" distance between tip of vent pipe and water surface in the tank er its in the water by 1". The vent is a 22mm arm created in such a way that its actually sagging. When uprighted, the tip of the pipe is 2" above water. Its been in the water for some time as...

will leave it off overnight and check in the morning...

I'm surprised theres not a kind of expansion joint you can fit similar to when you build long walls - something that compresses to a few mm also and takes up any uneveness... perhaps there is!

we had an external vessel installed on an old combi cost about £200. Previous fitter had written off the boiler due to expansion vessel fail....

ah right yes the diverter valve.... the programmer is set to continuous CH with DHW off so I presume diverter valve is setting itself to CH only, as the rads are heating up. The tank is on immersion but I cant recall whether I tested that the tank was being heated by the boiler with diverter as...

sorry gigz, you're losing me now! what and where is the 2 port valve?

unsure about balancing sorry but all rads are heating up. Layout was put in when house new and now approx 25 yrs old. I did think about changing microbore for 15mm but couldnt face it! Its dot and dab downstairs but gap is very narrow and I dont want surface pipework

thanks for all this further input,. I'm stuffed really as I should have got original installer back in and now its too late. 2nd installer told me the valiant was not suitable for microbore. Irony is my install was one selected for a gas safe inspect but I guess thats for gas matters only..I...

no I dont think so either! 2 of them were there over 2 days but tbh my memory of it all is getting hazy now I'm not cleaning the magnaclean every week or two. I cleaned it quickly after install and kept checking it every few weeks. Its cleaned out every service. I cleaned it out alot when I...

how much more can I do then employ an installer to do this job which to maintain makers warranty means they need to flush/ clean the system inn order to prevent the very thing that has happened. In addition to this anyway and later on, I have cleaned out all the pipes as described on this thread...

the systems been in 3 yrs, it was the installers responsibility to get it right. If it wasnt suited to microbore they should have told me. I paid the money and have a faulty system/ boiler or whatever. The magnacleans been in 3 years ie from the date of install , do you really think it hasnt...

dont you mean would ? seems to me the top is buggered and the OP is one step away from replacing therefore any option worth a try...... I notice no mention of the potentially damp plaster kicking out moisture into the cabinets how is the OP doing with this now I wonder??