"John" wrote in message

Connect mains water to radiator - open the valve which has indicated a
restriction and back flush.

My concern is that the blockage may not yield.

I will probably take the radiator off (easy but messy) to check the nylon
injector tube.

Thanks.

Yeah I would try your method first, as it may save you having to remove
the rad, you may get lucky & the blockage will shift.
If not I’m afraid its get your hands dirty time!

Hope you get it sorted, do let us know how you get on.

Regards, Tel.





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