UPDATE:
Thank you all so all so much for the help and tips. I bought a Bahco adjustable 10” spanner and with (careful) brute force managed to get the nuts undone and radiators removed. Amazing what food tools can do rather than the cheap ones I had before.
Thanks again
Thank you all so all so much for the help and tips. I bought a Bahco adjustable 10” spanner and with (careful) brute force managed to get the nuts undone and radiators removed. Amazing what food tools can do rather than the cheap ones I had before.
Thanks again