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these should do the job http://www.supremeplumb.com/cgi-bin/DMdatabase.cgi?action=/home/suprem13/public_html/cgi-bin/home/Shop/Plumbing_Fittings/Plumbing_Hoses.txt&item=00066 if they don't fit directly onto the valve they will fit on the tailpiece.

you would be better cutting into the mains supply and fitting a solenoid valve with a timer similar to what is used in pub toilets etc, or search irrigation valves, they are loads of gadgets on the market and a lot don't require as much work and are more accurate

if ya cant get to the olive's cut the nuts off with a hack-saw :lol: ya can then either use a pair of grips to work the olives off or cut and snap um off

the pressure relief valve is passing which is why you have the drip. it also sounds like either the filling loop is passing or the heat exchanger is allowing the mains water into the central heating circuit, the 1st is a cheap repair the 2nd isn't :lol: if ya a gambling man wait till...

I was sold soon as ya said betacom, replace it! :mrgreen:

you have already done this by contacting the manufacturer. what is wrong with the heat exchanger?

in the area I work I do a lot of the first visits, and with the current climate I am suspicious of most of the customers joining contract. I am even more suspicious wen they have one of the most problematic boilers on the market! despite what you think bg engineers do carry out a 1st visit...

lol shows how much you know, I only pass around 40% of isars without a repair being made (which would be chargeable)

personally id cut the pipe where you nicked it and slide a slip joint on and blow it :wink:

have you checked the pressure relief valve isn't leaking? if it is then the expansion vessel needs checking

http://www.buyspares.co.uk/product.pl?pid=2841949&utm_source=google&utm_medium=base&utm_campaign=products&gclid=CInwvrn7pLYCFczHtAodpScA_w

Personally I would replace the plate heat exchanger, it is possible to clean but you would have to use quite aggressive chemicals to get good results. Whilst replacing i would judge wheather it is scale or dirt which is causing the fault, if its dirt fit a filter on the return to the boiler and...

adjusting the stat on the boiler will not affect the speed which your system heats up, it only affects the temp it will get too

aghh just seen whitespirits post, +1 :mrgreen:

i would drain a downstairs rad fully and check the water to see if it does actually need flushing, if it doesn't i wouldn't bother.. just top the system with inhibitor using a good brand such as fernox. bg do fit the mb3, the mb2 is old stock and they should add inhibitor if you have them to...

sounds like the plate heat exchanger isn't transferring the heat sufficiently, causing the primary circuit to overheat and the boiler to cycle. dirt lining the ch side of the plate heat exchanger would create the same symptoms as scale

prob tripped the overheat

forgot to mention they don't come with and shouldn't have a cap fitted

its called a disconector, they are rubbish n fail all the time. on the plus side its a 5min job to replace. http://www.partscenter.co.uk/en/glow-worm-2000801908-disconnector-35703?top_category=37076 iam sure if ya search a bit more you can find um cheaper :wink:

as far as i am aware bg don't fit many boilers for free, ya sure it wasn't warmfront? just out of curiosity what boiler is fitted?