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Hello again, Some of you will aleady be up to speed on the trials i have been having with my boiler/pump. As mentioned in a previous thread i have replaced my knackered cp61 pump in my potterton puma 80 combi with a cp63. I balanced the system and everything was hunky dory, for the first...

Hi Guys, Pump is now installed, house is warm, all rads are working and i'm off to put the cleaning fluid in. Thanks for all your help.

AAV hasn't been replaced but seems to be functioning ok. Pump noise has all but gone and the house is toasty warm so am assuming that the pump was just bedding in. Thanks for your help

Yes this is a puma. Can spin the rotor no problems. The instructions do say to let it settle for 48 hours but as yet the new pump doesn't seem to be having much effect.

Hello again, the CP63 i have just installed is making quite a bit of noise. The instructions say this can be normal but the pump may need to be bled if it does not appear to be venting itself. the instructions state to loosen the manual start and push the screw against the side of the hole...

CP63 speed 3 is same as CP61. CP61 is non-adjustable. Thanks for those answers, have done it now and is now running so will wait and see what happens next. Cleaned as much crud out as i could and will be cleaning the system this weekend. Was advised in my other thread to swap this way to...

As per title i am about to swap a CP61 pump for a CP63 pump. As per my other thread, it has been recommended to me that i just remove the internals of the CP61 without disturbing the housing. Q1. Stupid Q i know but i assume i have to drain the system before doing this? Q2. The CP61 has...

Hi Guys, Pump has finally arrived, as per advice above i am going to remove the internals of the new pump to put in the casing of the original pump. I am swapping a CP61 for a CP63. Stupid question first, i assume the system has to be drained to do this? Hopefully more sensible question...

So i assume from that, that i would take the body of the pump from the new one and put it into the housing of the old one?

Thanks for that Softus. The rad appears to be fine, has been flushd with a hosepipe and will heat uniformly if its the only rad switched on. I will be cleaning the system whilst installing the new pump. I have looked at the grundofs on plumb world, it seems reasonably priced. Is it as easy...

Well guys stage one is complete. I have disconnected the furthest rad to use as the low drain point. I then connected a hose to the TRV. N.B. for all interested in trying this at some point, the threaded flanged bolt that you screw into your radiator that then fastens to the TRV/Lockshield is...

I have checked all taps and all are fine. I have no dishwasher. Same symptoms apply with washer disconnected no obvious leak from washer feed. I will try turning off water feed to boiler while i heat the system prior to my other checks i have to do. Watch this space.

I shall do that this weekend and post the results. Keep your eyes peeled.

Thanks for that advice i'll be giving that a go. My only problem is that the drain point is on the return to the boiler about 3ft of pipe from the boiler. The pipe the drain is on is actually about 8-10" higher than the height of the 4 downstairs rads. I assume this will have a negative...

Yes as original post system has been balanced several times to no avail.

Thanks for that Softus. I have drained the system very recently so do know the condition of the water. A couple of the lockshields were leaking a very rusty orange water which is also often what appears when bleeding the rads. Water drained from the system/rads is often very black,misty, in...

DHW is readily available and very hot. The CH hot pipe coming from the boiler is hot and in time all the rad feeds are hot. The rad nearest the boiler can be hot within a matter of minutes but the whole system won't get hot even if left for hours. The boiler fires up as you turn the heating...

Hi Guys, I have asked a few questions lately which a few of you have kindly helped with, thank you. I have a Potterton Puma 80 Combi Boiler with a Myson Pump feeding 8 rads (4 up, 4 down). The heating has been off since last winter and after being put back in to use is barely working. I...

Thanks for that. I'm glad i asked now.

Thanks for that, i thought it sounded too easy! I'll get down to the merchants tomorrow and see if i can find anything suitable. It came to mind as i was sure i had seen them being used that way before.