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anyone had any problems with the keston c40,ive just had two fans go on a prefabricated rig both impellars had detatched from the shafts and one of the boards had blown.i noticed the impellar design had changed on the new ones.the boilers are just over two years old.

im thinking of fitting a wire free digistat to replace a conventional wired stat and timer on an open vented system ,am i right in thinking i would also need to fit a timer to control the hot water on/off times or can this be set on the digistat?

having problems with an ariston microgenus 24. the ignitor still tries to light intermittently even though the flame is established,it also locks out sometimes with fault a 01(flame failure). i've changed the flame probe and checked the lead and circuit board connection .i'm now looking at...

i work on maintainance for a health authority based at a medium sized hospital in north cheshire.we've been getting a lot of pin holes in our copper pipework,three in the last two weeks alone.theres no similarity in the age of the pipework (late seventies to late nineties)i was just wondering if...

boiler noisy when first fired up,quietens down when up to temp.flushed out system all rads working o.k. adjusted gas pres. down to minimum setting,check gas rating o.k. heat exchanger and baffles clear.any ideas?

i have a problem with an icon 23t combi,pressure rising when in heatihg mode and lifting the prv.prv already changed last week by another engineer but didnt solve the problem! changed the expansion vessel for a larger one and fitted it in the return pipework (it was the only one i had to hand)...