I'm swapping a radiator at my house the water was quiet discoloured rusty etc. I am thinking of adding system cleaner before I drain down to fit the new rad. Is this usually ok if a flush a couple of times after adding
System cleaner
- Thread starter Fredstudio
- Start date
I’m not an expert but I’d flush before as well. You certainly want to flush it well afterwards and before you add inhibitor.
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