Can anyone help with a cold radiator problem. I fitted a new bathroom radiator having drained down the system first. When I refilled the system only the upstairs radiators came on. I called out a plumber who diagnosed that the system needed powerflushing. (It's an 8mm microbore system). He did the powerflush (Cost £450) but now I have three of the upstairs radiators not working. The plumber says that when I drained down the system I must have disturbed some muck which is now blocking one of the manifolds which will need to be located and cleaned out. However we have no idea where they might be and I thought the Powerflush should have done the job anyway. The plumber charges by the hour and says it could take a long time for him to find the manifold in question and with fitted carpets & chipboard floors it will also be very disruptive. Is there any alternative to what he is suggesting? Another Powerflush is apparently out of the question.
Cold radiators Microbore system
- Thread starter steviec12
- Start date
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8mm microbore pipe is not really 100% suitable for powerflushing, as I would point out to any potential customer. It could have stirred up some debris when you drained down. Did he get much out of your system when powerflushing?
Why is another powerflush out of the question? Cost or did he tell you so?
When flushing did he keep reversing the flow every 15 mins or so to help relaes any debris/blockages. Did he use a good cleansing chemical?
Assuming you have an open vented system did he go in the loft and physically clean out your header tank? If not when he re-filled system it would just fill up with the c*** in there.
Why is another powerflush out of the question? Cost or did he tell you so?
When flushing did he keep reversing the flow every 15 mins or so to help relaes any debris/blockages. Did he use a good cleansing chemical?
Assuming you have an open vented system did he go in the loft and physically clean out your header tank? If not when he re-filled system it would just fill up with the c*** in there.
If i got charged 450quid and it didnt solve the problem ill be damned if i am going to pay him anymore. I know its not going to help m8, but 8mm bore while you hardly see the pipework is simply a pain in the ass. More prone to air locks and blockages. What i would suggest is perhaps remove the rads one by one upstairs, take them outside and stick a hose into them and flush each rad out. If that doesnt work remove the TRV's and lockshields and give them a blow through also.
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namsag
You have paid him to flush system to get rads working he has failed to do this get him back without further expense to you to get it working. Power flushing twin entry micro bore doesn`t work for clearing rads but can clear manifolds but best to cut out and clean manifolds
gas4you said:
He got quite a lot out with the Powerflush. He advised not to do it again as it would weaken the joints too much. I've just checked the header tank and there's still C*** in the bottom. Don't know if he reversed the flow at all but he did use decent chemicals. I'm trying to get him to come back and sort it as I don't think I should pay £450 and end up with three cold radiators.
WelshMan said:
Thanks for this, If I can't get him back to sort the problem I'll start with the basics (turn off all the working radiators and leave one non working one on etc) and then move on to your suggestion as a next step.
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