working pressure

  1. B

    Having a nightmare

    Been or this job 7 days. Just filled and fired up 2 x 40cdi greenstar regulars. Gas rated them together - getting 72kW @ max. However only getting 5mb working pressure at either boiler. 21mb at meter. Spoke to Worcester and Gas Safe and they're as baffled as I am (although Gas Safe tech said...
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