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sorry for the delay i dont go on line very much, its been sorted, it was the built in programmer, it was sticking, thanks anyway.

oh! sorry for asking i did,nt realise there was a law against asking question,s is,nt that what these forum,s were designed for. (silly me!)

worcester 240 combi, dhw working fine, heating very intermittant even when you call for heat permanently, sometimes does,nt fire up at all.

sorry about that it is a worcester 30cdi

hi i would like to add a drayton programmer lp711, to worcester bosch 30 condensing combi boiler, any help with the wiring would be very much appreciated,

ok thank you can these joints be inspected easily, or is it a new pcb required

my potterton 80 boiler working fine on hot water, but heating is intermittent, i changed the external programmer as the old one sometimes stuck, the boiler would still not fire on heating demand, so i went to check the connection,s on the leads, and as i dropped down the front panel i heard an...

just going off information from friend at moment, i have,nt been to look at boiler yet thought i would ask before i go, cant get there for couple of days, they have been told its not recieving a signal from pcb

boiler runs for so long then have to keep pushing reset on boiler

yes i will do my frind is registered, thanks again

ok thanks i shall try gas valve, thanks again

yes flame reaches thermocouple

pilot not staying lit have replaced thermocouple and still wont stay lit. any suggestions

worcester 350 combi has'nt been used for 2 years as house been empty, actually got boiler working but after around 1 minute you get a rush of air, pressure gauge rises then boiler shuts down consequently resetting over heat stat on top. tried this on numerous occasions same result cant seem to...

the flow switch has been replaced, forgive me if im not very clear as its a friend in need, i am not experienced on plumbing side of things but i know enough to get round, shall try posting picture up probably at weekend thanks again for all the help

yes the pump at the back is of that discription but it is working fine.

have a problem with the unvented hot water cylinder on system, problem being is it does not produce enough hot water, the cylinder has 2 emersion heaters on it also flow and return to boiler and flow and return for heating, it also has a pump at back of cylinder which i guess is for a higher...

ok point taken i shall let you know when i get chance to look. cheers

there are 4 pipes coming off the boiler, all 22mm even though it is a gravity dhw, pumped ch, i was wandering if there is a none return valve or something like this fitted on the ch flow, is this possible.

does this boiler have a diverter valve fitted, because when you call for hot water only, the water also starts creeping to the radiators, there is no zone valve, well cant find one! and dont have any instructions for boiler. any suggestions thanks