Just had a combi fitted a sealed system shoul I add some fernox , I had it in my old system but that was a back boiler and copper cylinder with tanks in the loft.
- posted
18 years ago
Just had a combi fitted a sealed system shoul I add some fernox , I had it in my old system but that was a back boiler and copper cylinder with tanks in the loft.
Yes you should. The installer should have done it for you, or at the very least, given you the option.
ken
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