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Thanks for help & support, gave up late last night in a cold house. This morning managed to bleed air from the auto-bleed valve by swapping from HW to Htg and back repeatedly as each time i did it i could hear a hiss of air. Got most of the rads hot this morning, some prob need bit more...

re try it in hw/heating. sometimes it just as easy to slacken a mot valve joint and let any air out. Sorry to be a bit thick - how do you mean try it in hw/heating? Dont worry you wont be getting 500 pics

Hi Leeds Plumber, thanks for joining in - this is my first time using this site and you guys are being really helpful. Be back soon with a pic I hope if I can post it ok!

At least the pump has cooled down now! Sorry the camera is taking a while to load - I forgot it had about 500 pics on!

I'm just loading it onto the laptop!

I was checking rads most of the day and they never got hot but I didnt check the HW - there was a tank full of hot water from Economy 7 so I wouldnt know if there was any heat from the boiler. I'm going to try and post a photo of the setup if it works - it might make more sense to you than my...

No there don't seem to be any bleed valves. There is some sort of copper venting device about 40mm round at the highest point but no bleed valves on it, I think its automatic? It is on a T piece from the 22mm pipe going into the HW tank, but you cant actually do anything with it

I dont know if they are bleed valves or just isolation valves to facilitate removing the pump because there are small square ends (6mm square) which you could turn with a little spanner

yes - is there any point? Re F+E tank in the loft I've seen that blooming thing about 20 times today - it's full of water! Thanks

the pipe that comes out of the top of the pump is hotter than the one fed from underneath. The top pipe goes into the motorised 3 way valve. It looks like you can isolate valves either side of the pump to remove it - would that help?

Bit worrying - the body of the pump (Grundfos) is actually to hot to hold - in fact it's actually hotter than the pies going into and out of it - I wonder if the npump is seizing up / knackered? Any suggestions?

Blimey Charlie the pump is really hot so I have switched it off and will wait for it to cool down before messing with it. The rads are still cold though!

Cheers - I'm off to try that now - I'll let you know.

Hi Seco Services. How do you bleed the pump?

HELP! I've spent all weekend messing with my (oil) central heating and now it doesnt work! I drained the system to change aTRV which seemed to go ok but when I fired the bolier up the outlet pipe got very hot but none of the rads warmed up. I have bled every valve several times - all the air...