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goto tell u this has got me totally stumped ,hopefully my friend mate is coming down tues to do the wiring for the y plan fitted im sure ive got it sused but ill let him sort it plus hopefully he can shed somelight on this strange problem

just re-checked pipework definatly no valve there ,the bathroom rad used to be a by pass for the old sytem but now repiped into the f/r/circuit

yes im sure as the orignal f/ r the the cylinder in 28 mm came up a void along with the 22m that tee,d of from the pump , icut the 28mm out and linked the 22mm that came up the void together and joined extra 22mm to use as the new circuit and to use as f/r to the boiler there was only 1 m of the...

right droped rad of now and opened flow an return into bucket no air so reconnected rad and bled it and fired boiler up still no heat coming down to drops ive noticed that i cant hear much of a flow around rads like i could with the old grunfos pump, i mean you could hear that water was pushing...

just to try ive flushed the drain off no black water there no air either so ill give it 30 mins to see if no ill have to remove the rad .would you say this boiler would cope with 10 rads 15kw 51000 btu

mmmmmmm i no thats what i worried about new conservatory cream new carpet black water mmm missus wont be happy lol

ok ill try the drain off first if no good ill have to remove

my house is a 3 bed semi with 10 rads average size is single 1200 *600 just to let you no

are you pointing towards blockage in rad or pipework then, i do have a drain offs on the rads couldnt it be done by connecting a hose and doing the same

take a rad off ,what do you mean

thats right thats what i have done

ive bled the pump with the front screw, but on fire up there is air still knocking round in the boiler it quiets down after about five minutes .

this po programme do you just let this programme run till it finishes and the heating fires up as thats what i have done but even after there still sounds like theres air knocking round it

has any of you lot installed this boiler in a loft

mmmmmmmmmmm could nt really say i dont think so as i would have notice it when connecting to be honest never really come across that got me think in now m8 but the heating main circuit flow s aoung quick it just the other runs to the rads that dont really get there and they were all fine on the...

tony ive shut all rads and close the bypass and just opened the one drop the heat travels half way down and thats it plus opened the vent i put in to see if there is an air lock but no joy then ive shut that drop of and opened onther drop same result the pipe just dont seem to have the flow to...

it replaced an old back boiler the 28 gravity flow and return was removed and the existing heating circuit was used and join to the boiler in 22mm i can be 100 percent that there is no dumbell valve ive noticed that the f&r heats up fine as it runs across the landing and is new pipe work but...

hi again ive now drained down fitted vent pipe on valve and drops filled slowey bleed rad operated p0 fired boiler no probs flows and return achieving temp ok but still wont flow off main heating loop to the rads or drop downstairs any ideas

no deffinatly po p6 is the filling test programme should i use this aswell

ok ill use it but it does say in the manual , bleed test programme (conbination boilers only ! ) mmmmm