Wouldn't it be great to have all those answers sospan although very much doubt it will happen, from MMC at least.
Simon of SiFab did predict it was a mount problem which the latest swirl pot addition wouldn't fix. Too much of the upper part of rad unsupported I believe. He was working on a fix himself I understood.
ETA Simon and I cross posted.
Last edited by RichardV6; 11/11/22 03:03 PM.