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Dagebu

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Mr-H

Use of Fernox

I know that Fernox is a rust inhibitor for Central Heating, but I am now told that the water in the expansion tank should have been 'reFurnoxed' every year or so. My central heating system is by no...
21:39 Mon 31st Jan 20116 answers, last by Dagebu 17:06 Sat 05th Nov 2011

Only 1 question