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    Grant Vortex condensing oil boiler 15/26 Problems

    John, the pressure is set to 1 bar currently but as the plumber located this along with the cylinder in a hard to access roof space I cannot keep an eye on it easily! The filling loop is turned off. Thanks guys for your comments, nobody has mentioned the potential flexible hose issue before...
  2. H

    Grant Vortex condensing oil boiler 15/26 Problems

    I have an external grant boiler which was installed in August 2007 along with a complete re plumb of the entire house. From the beginning the system was noisy but I was advised that this was because it was new and things would settle down once all the air was out of the system. After 18...
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