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Hi all, hope somebody might be able to help. I put sone CH cleaner (fernox F3) in my sealed system a couple of weeks ago. Today, i have drained down the system and now refilled it with fresh water via filling loop with some inhibitor (f1). I have bled the rads (as best i can - some seem to...

I have located the drain down point where the pipes come out the house at lowest point... so i think i can drain the system. Not so sure how/where to add the sludge remover (and inhibitor at a later date). Is the only way using a rapid dose kit at one of the rads? i dont have a towel rail...

Hello people Unfortunately I'm a bit of a novice when it comes to plumbing matters so i hope somebody out there can point me in the right direction. I have bourght some sentinal x400 sludge remover which i want to add to my central heating system. I've got an relatively old potterton...