Currently first fixing for 25 of those. 15 being re-finished and 10 new ones. Biggest being 800x 1500 at 150kg. Let me know how they go as not had to do any cast iron rads yet. Mine are also set to be delivered in 2 parts for the big ones but didn't realise I would need fancy tools to assemble them (strategically left off their website)
I've heard horror stories of people bending the breaker bar when trying to disassemble old ones. Luckily I won't need to do that