Recent content by JonByTheSea

Thanks Dave - maybe I'll leave the Sentinel stuff in for a week or 2 (as I've paid for it and spent ages flushing the system before adding it) but if it doesn't improve I'll take your suggestion of the Fernox DS40

Just bought a house with a Baxi Solo 2 boiler. Boiler makes a noise like a steam train when it's running. If the room stat is calling for heating and the (Grundfos) pump is running, but I turn off the boiler, water circulates quietly. Had a plumber look at it, and he thinks it's full of...