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(Enters Lions Den with Trepidation and knocking knees) One point missed by a certain poster is that issuing a CP12 with warts and all mentioned protects you as the RGI. You have a record to PROVE you notified the LL of the current condition of his gas installation, good or bad. This is...

I confess to not being that 'with it' on weather compensation, so i bow to your expertise in the matter, but i did 'lift' my comment from the Viessman brochure on the subject, but obviously I need to delve deeper. I still think it should work well in combination with a condensing boiler and...

Normally i'd agree, but it depends on the water type. If you have soft water ally is fine. How do I know...well about ten feet from me is my Ideal (yes I know!!) Turbo 2 18kw with an alloy heat exchanger, installed in 1993. Total repairs since then...1x fan, 1 x condensate syphon (its a thin...

Well maybe, but if the pump seized as it was full of crud, you have won a battle but not the war. If your Central Heating water is filthy, then you need it draining and cleansing either with some Sentinal X400 which is quite mild or the ubiquitous powerflush which is a lot more aggressive...

Of the two i'd go for underfloor as it will give a more even heat. I've never been impressed with skirting heaters, though most of the installations I know of are quite old. Where underfloor really scores is that it operates on a lower flow temperature, and depending on what make of...

I own a Linea 28, and have done so for nearly ten years since new. Its only given trouble once and that was the pin on the motorised valve sticking due to ten years of crud build up. Cleaned all the black off them and checked operation and its back on song with brilliant HW. I bought a service...

You might just know they have carpets where dirt fears to tread. I'l have to go very carefully not to splot on them :lol: Alf

Oh alright then, but I don't do commercial and worked most of my time on Housing Assoc. stock, where they were a rarity. Can't say I saw one in a private house until about five years ago, but I know they are long established as a company. Alf

If its losing pressure then that water is going somewhere, either out through the pressure relief valve, or maybe its siphoning away somewhere. It really needs to be 'caught in the act'. Maybe the pressure vessel doesn't have enough capacity to cope with the overall expansion in the system when...

I've got a sneaky feeling you may be right as it all comes off the boiler in 28 then disappears into the attached garage roof, and the microbore comes out of the walls at a 45 degree angle into the rad valves. The house is just under 20 years old and has a FF Baxi Solo WM..which has nothing...

As long as you have reasonable water pressure combis are brilliant with showers. Some shower manufacturers have picture codes on the side of the packaging box which indicate whether they are suitable for combis. If that doesn't say, then get the make and model and get on the manufacturers...

You can think its clear and there is still loads of crud/flakes inside the thing. I have found a rubber mallet useful for tapping the heat exchanger, hard but not too hard, and it dislodges loads of stuff when you flush it through with cold water. Sometimes it takes a long time before you get...

Got the warning from an experinced installer who had a flush go badly wrong on microbore, not only blocking the microbore, but also the heat exchanger on the new Vaillant Boiler. It took an extra day to resolve, so not a 'gossip' story...but I know where you are coming from. Alf

The symptoms you describe are most likely to be a blocked Direct Hot Water Plate to Plate heat exchanger. When the boiler heats for H.W. it has to get rid of the heat quickly. If it can't it overheats and turns off, but will come back on and try again repeatedly. I do clean these out as...

I'm quoting on a boiler swap. The existing system is not blocked and the rads seem to be all OK.....and its microbore, so whilst I really think i should powerflush it I have been warned by people I know I can generally trust that I might just make things worse and not better, by powerflushing...

I just hope they work better these days than the skirting heating my dad had installed in our big house in 1960 powered by a two pot oil boiler. I remember helping the engineer change the wicks when I was about eight years old (getting in the way i think we call it now) :oops: The system was not...

I've never done any underfloor heating installations. I have a builder neighbour who speaks highly of his self installed wet system, and I've been on holiday to places with electric underfloor thats worked quite well. I'm building a small extension (Not a conservatory which i think are a rip...

Tea and biscuits (McVities plain Choc digestive to be precise in spec.) Mid morning and mid aft. That will put them on side with you. Then just look as though you are keeping an eye on the work from time to time. Make sure there are drain cocks(more than one, as one often jams) in sensible...

Blocked pilot jet possibly? Alfredo

The W2000 is getting on a bit anyway. We are pulling quite a few of these out these days. You could put the money for the altecnic kit towards getting a system boiler with the pressure vessel built in. It will be no bigger than the W2000 and be far more gas efficient. Just a thought Alfredo