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  1. E

    Does central heating perform differently at different pressures?

    Let's say we have 2 system boilers on closed systems pressurised within permitted tolerances. 1 pressurised to 0.9bar when cold (reaches approx 1.3 when hot) 1 pressurised to 1.4bar when cold (reaches approx 1.8 when hot) Will these systems perform differently? Is there a benefit to higher...
  2. E

    Exterior Ply

    I need some timber sheets for an outdoors project, and I'm struggling to find something suitable. A visited the local DIY stores and the Plywood rated for exterior use seems crap. The laminated sides seem to separate and peel off really easily, and I can't imagine it holding up when I cut it...
  3. E

    Can you identify this shower wall outlet?

    I suspect it's just a cheapo no-brand one but it does the job and I'd like to put one in my second bathroom for consistency. Cheers!
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