Black water in sample water
Black water in sample water
(OP)
I have two Columbia Ct steam boilers.They work togeather and feed from the same feed tank,no return. My sample are good but the no.2 boiler sample water is black, 1 is fine. No one has an answer for me can someone let me know what the problem might be with no.2





RE: Black water in sample water
RE: Black water in sample water
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plumbing