I have a Masters in ChemistryGoogle, eh? a marvellous thing.
So you are moaning about all this before you have the facts to hand.
External signs of rust could just mean someone had a bad aim when they went to a whiz. It has little to do with what is happening on the inside.
My toilet is no where near the rad
Thread has dragged on a bit, but for all your bellyaching on here, has the installer even been contacted about your concerns?
You didn't see this, you didn't see that, you don't know this you don't know that...
You don't have a Remeha boiler so it is irrelevant what their warranty stipulates.
I thought I'd get some advice on here before I put my letter together, but make no mistake, they will be getting a letter in the next few days. I came on here to get some advice so that I didn't have the wool pulled over my eyes and fobbed off.