Central Heating long term water usage?
On Wed, 19 Aug 2020 07:51:39 +0100, Charles F wrote:
My query is - do I just continue with an occasional extra bit of F1
added, or after ten years is it a good idea to drain, wash through with
clean water, and refill with new F1?
If it ain't broke, don't fix it!
--
Cheers
Dave.
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