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  1. R

    let by test

    no im training towards my gas safe at mo hense my stupidity!! i was given the scenario by my trainer, who is gas safe. was just unsure because the pressure stayed within the perceptible limits for the 1 min stated, i thaught there could be temp change or something that may affect longer tests...
  2. R

    let by test

    yes and pressure risses very slowly? but not fast enough to be over .2 after 1min? gas pipe is internall but close to hot and cold pipework?
  3. R

    let by test

    i raised pressure to 10mbar for 1 min and less than .2 movement ocourd, then my phone rang and after 5mins or so i looked bk at manometer and it was up to 24mbar. i would say thats a fail but found no more info in corgi book???
  4. R

    let by test

    when carrying out a let by test, the pressure stays at 10mbar for the first min but after a short time pressure risses to 24mbar. is this a let by fail?
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