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  1. J

    Indentifying system type, sealed, gravity, vented. Checking pressure. Smart upgrade.

    I am looking to make my heating system smart (e.g. Drayton Wiser) and also looking to check the pressure. I would normally ask the installer (a long acquaintance of the family) - but unfortunately he has since passed away. The system (old family place in Ireland) was updated in 2015 with an...