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Cheers Breezer, but that was the users manual. Didn't know you had to be corgi to change the heat exchanger tho.

Cheers for that, but unfortunately it does not give the info I require. Guess I will have to give WB a call Thanks again

Hi all Would anyone have any idea as to where I could find the installation and servicing instructions for the above boiler ? Have tried the Worcester Bosch website, but no luck. Thanks in advance

Would it be possible for anyone to give me a ballpark figure for re-grouting a bathroom approx 3m by 4m. I have had some huge quotes (would have been cheaper to re-tile) Thanks in advance ps tiles are 4" and wall to ceiling

any help appreciated 4 year old worcester 24i, has been working with no probs, but lately the flow of hot water has been getting slower altho heating well. Its a very hard water area, I thought maybe the heat exchanger might need descaling/replacing, would this sound feasible. Many thanks in...

I would think that it was reverse circulation as it only happens when the heating is off, but the hot water is on. Checked 3 port by setting programmer to hot water on and moved the manual lever on the valve from auto to the manual position, there was plenty of resistence so assume it is ok.

Gloworm ultimate running a fully pumped, open vented system. This system was installed approx 6/7 years ago and has been perfect up till this summer. It seems that reverse circulation is occuring on one upstairs rad. 3port is fine and pump fine, any ideas ?

I think you probably need a different site mate :roll:

when you say the pipe was bent to get it over the shower - was this done with a spring or bender ? If not it could be that the pipe has been bent incorrectly(ie by hand) and flattened, which would restrict the flow.

According to the water regs tho, dcv should be inside the building.

Would that price include complying with the water regs by fitting a DCV ?

You should be ok if you use the correct spacings 15mm is 1.2m horizontally 1.8 vertical 22mm is 1.8m horizontally 2.4m vertical If notching joists under floor wrap some hair felt round the pipes

If it is a mains fed mixer, then according to the water regs check valves should be fitted. If it is a manual type mixer it should be double check, or on auto mixer (ie self dropping) it should be single.

Hot on the left and cold on the right. I believe it is a british standard but can't remember which one, something to do with uniformity for the blind I believe.

Thanks boxter When you say pull the stat, i take it you mean the boiler stat ? Would putting a seperate vent pipe in help ? Have not come across a combined feed and vent before. Thanks again

A mate of mine has a problem with his heating system. It is a new build house with a Glow worm Ultimate boiler and a Gledhill vented cylinder. The heating system is run in microbore. After having reached operating temperature, and run for a short while there is a loud rumbling noise ( sounds...