We have a pressurised, unvented oil fired heating system which has recently been drained down for some pipe works. I now need to replace the inhibitor but unsure if we have a direct or indirect system. Thinking about Sentinel x100 or Fernox F1. Would either be okay for my type of system? and is there much difference between the two products? Thanks in advance.
Inhibitor
- Thread starter melross
- Start date
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It will be indirect, no difference between the two, but try and find out what the existing is, and use the same again, not a good idea to mix them , there should be a label somewhere telling you what was origionally in there
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