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Can it have the feed at the top and return at bottom?

Fitting a towel radiator, can the feed and return pipes come in at the top, as the pipes are coming from the ceiling! Any help would be great

Is there not a way to test the pump. I still hear gurgling in pipework near boiler, I think there's air still in the system but I can't seem to get it out.

I have taken the pump off and it seemed fine, no blockage. But wondered if it could be at the diverter valve just above the pump?

I have a problem with circulation on my heating. Can't get water to circulate. Not sure what to do. The pump is moving but not sure it's doing anything as boiler keeps cutting out

The rads would not fill so I put the hose in the tank upstairs and a few airbubbles came out and the system filled up ok. Lots of pressure in all rads. I know the system had no inhibitar in so rust etc but top tank was not to bad. A few rads and the system was flushed not long ago. And...

The pump gets hot and the pipes about a foot above the diverter valve get hot. I had to fill with a hose as the rads would not fill without it. Now the pressure is good from all rads upstairs now. Have bleed top radiator and it does not lose pressure. The system is gravity feed, the top...

Yeah bleed the pump, a tiny amount of air came out, then very small drips. If there was dirt sludge etc in the system where would it collect? Thanks

Hi need some help can't get the heating to circulate and it's cutting out the boiler. I fitted a new rad and think some crap might have got into the system. The pump is spinning but how can I tell if it's circulating the water efficiently. I just can't get the boiler to circulate water...

Yeah it moves freely. Do you think it is this valve that might be blocked? Or poss just air stuck? I can't find a way to remove any more air from pipework

That's right zone valve, just above the pump in airing cupboard. Do you feel that this may be blocked? Thanks for your help. I will try and bleed combustion chamber if I can see the bleed valve thanks

I am guessing opening the combustion case is not a good idea, can't believe I can't force the air out another way if that's the case. How would you bleed it?

Can't visably see any air bleeds in airing cupboard or loft, thought this may be the case. I have tried everything including bleeding at the boiler trying to force air out of the valve. It's almost like the pump is being restricted, that's why I thought diverter

What do you mean zone valve definatly open??? Thanks for getting back to me

Please please help. Does anybody think it could be the diverter has a blockage or collected any crap, causing the boiler to have restricted flow????

Help, I fitted a new radiator, drained the system down and then fitted new radiator. Refilled the system and got pressure in rads with some persistants trouble is now when I turn the boiler on i hear gurgiling(made me think air) bleed all rads, pump, bibs on tank and boiler. Got no where...