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sentinel

  1. A

    Adding Fernox Protector F1 mixing up

    Hello Gents, I need to add some inhibitor to the boiler so I have got some Fernox F1 My question is can this be added to a system with other additives already in the system? The additive already in the system is Sentinel Leak Sealer will this be OK to do? thanks
  2. J

    Unblocking a Heat Exchanger on Worcester 532i combi?

    (I'm no expert but will do a lot of research and attempt most things if it will save me money and is legal to do myself) I moved into this house 1 year ago, but I think the boiler (Worcester 532i) is about 8-9 years old. At the weekend I moved a radiator (Someone had mounted it very high on...
  3. eveares

    Update: Magnetic central heating filter worth it or just flush system with Sentinel X800?

    Been doing minor work to my Central heating system consisting of replacing one single radiator for a double one (same width and height) along with refitting a another poorly fitted radiator which brackets were loose and wonky. When I drained the radiators, small black particles came out what...
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