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thanks mate appreciate reply ill give it a try tomorrow.

after reading other posts it sounds about right do you have any tips to unblock it as i went up there this afternoon and pushed small rod up to first bend in pipe but obviously couldnt go any further. is there some tool i could buy or use to force some pressure to maybe unblock it if its the...

there is water in the header tank,another thing when trying to bleed radiators before heating kicks in ,there is the usaul hissing then stream of water,i can wind tap right out and a little hissing then stops and no water,im right in saying the water comes straight from header tank?but now when...

thanks guys thats giving me some things to try,really appreciate your replys

thanks for reply,sorry to sound stupid,whats the best way to do that?also vent pipe does get hot so far up which is right isnt it?

i have a open vented heating system with a back boiler,the last two days the recirc pump has been noisy and a lot of air passing through defuser,the radiators struggle to get hot but once ive bled the highest radiator whole system calms down no air ,no noisey pump radiatiors become...

can anyone suggest why radiators might drain,really appreciate any answers thanks

hello kev,the header tank has water in it,since this morning it seemed to bleed its self and radiators were hot and no noise from pump,but this afternoon it kicked in and was making a noise again,so i knocked pump off tried to bleed radiators and there wasnt much water flow through them so ran...

we have an old back boiler ,its fired up when panel has water /heating selected,but the radiators are cold ,but ive noticed the main pump was a little noisey on start up,it still is a little but nowere as bad.the room thermostat is turned up and checked everything thats simple ie three way valve...

we have an old back boiler and i know these are gas guzzlers,so if i was looking at removing this and have a new condensing boiler fitted -more ecco friendly,what kind of cost would i be looking at to have one fitted ect ect and what problems if any could affect the price thanks

thanks mate ive heard of this problem somewere else and definately woth looking into but the intermittant starting can be when its hot or cold,also some one said about the key fob sensor? as in if its sensing the correct key in the ignition barrel-but thanks for the responses guys

having starting problems car turns over always and sometimes not fire up yet when left for a while ,over half hour starts up fine then a few days later or weeks it does it again,fuel filter replaced,but now thinking coil pack maybe or even a key fob problem,but last time took spare key and when...

i have a back boiler sysytem and ive recently had problems with radiators getting hot when only hw selected,then somke days later i couldnt get ch working when selected on own,replaced the motor and seems ok,but the valve only struggles to go fully over to the hw postion when selected and needs...

i replaced the motor on the top of the three way valve and the heating now works!,i run through some tests and i still have the original problem of radiators hot when only heating selected when i put the hot water on boiler kicks in and the lever on the side of actuator is in the w position but...

thanks dave and everyone else for their input much appreciated

thanks very much guys im getting the picture now, so what kind of cost would i be looking at to sort this if i paid someone would you say

the three port spindle as in on the 3 way valve? will this prevent the boiler kicking in then when selecting heating only?if not then were should i be looking-thanks by the way we did have problems with radiators blocking with debris after having a radiator moved by a big kitchen fitter...

hi i have a back boiler and for a while now ,when the hot water is selected the radiators get hot also when heating not selected,i know its the three way valve,but now when i only select heating(without hot water) the boiler doesnt kick in ,but control panel is lit,ive tried adjusting the room...