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Dont mean to sound contarasending mate but have you defo teed into the return? Also took a pipe from each of the pipes to each rad? Could well be air locked on the new return. Try linking the flow and return together at the furthest point with a gate valve in the middle (like a...

Leave the pipework as is.... It will be fine (stop scaring him) We still drop 10mm feeds down to the rads (15mm right above the drop tho tbh) Better off hiring a power flusher mate. ONly £50 for the weekend from HSS. Futher more, i hope you not changing the boiler yourself are you?

dont plaster straight over heating pipes mate, the plaster will just crack over time. If you can, either create a deep chase and bury the pipes then foam them, let the foam go off then cut it flush... Plasterer can go straight over the foam. Other option (best) is to clip them to the wall...

What is it with this site with people jumping on each other when we get summit wrong? Surely we cant be spot on all the time?

What have you had done? IS it possible the pipework has been piped Flow-Flow by mistake or vise-versa?

nah all will be fine with regards to safety. It will get as hot as the boiler stat. You will need to keep an eye on water temp tho with regards to the kiddies....

good old fashioned broom handle to the floor trick eh lol

You can get a CWS booster pump from Machine mart http://www.machinemart.co.uk/shop/product/details/cbm130ss-1in-stainless-steel-booster-pum. Coupled too 1 or 2 CWS tanks.. Can be done for less than £600 matey Did this setup to a 6 bedroom guest house last year. No problems whatsoever

Yes wet vack over the tap not working and create a seal with your hand mate.

cheers people. I would have added the labels but i just didnt have enough time. The job was thrown at me last minute and I had 6 weeks to complete th WHOLE installation..... Cracking job tho, really enjoyed it. Bloody stud fi ers were told where to put studs and where not too....

Mr Hailsham i do tend to agree to a point, however in my own e periance, at my own home i have found that we saved money by zoning upstairs from downstairs (before we went to UFH that is.) Our floors arnt insulated and the rads were sized on heated rooms above. I cant remember the e act...

Looks that way matey.... How about boosted cold water?

as said most glaziers will be able to sort you out. GRIP FILL wll stick it up for you too...*GREEN TUBE

I would certainly zone upstairs and down if you can afford too. Why heat the areas your not using? I have individual control of each of the rooms at my home. As Mystery says VIESSMANN are very good. Have a look into WC as mentioned.

LOL only been on here 5 mins and i know who your on about already lol... VIESSMANN are good tho and er,,,, Make sure you get weather comp with it lol EDIT how far is reading from st helens? I can supply and fit for 2k

Sounds like an air lock, but cant see the fact that you have drained the heating having anything to do with it tbh....

just had a little read up. They need a min of 2bar working pressure (dynamic). Theyre different than a ex vsl in the way that they have a balloon inside as oposed to a flat diapragham. Pretty good to be honest. I fitted 2 bigguns in a hotel a few years ago, Turned the water off at the mains...

ah rite matey.... I could have swarn they have a min working pressure too. Not to worry... As said its been a while.

really starting to enjoy this site. On another note. Ive just thought on as per the accumulator, havent fiitted one for a while (so i may be wrong) but doesnt the spec go on what the working pressure is and not the standing pressure?