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    Pipe Threading or Press Fit for Air?

    Just curious as to which method most people use when fitting compressed air lines? We have always done it the old school way threading galv tube but have been told today our quote for a new factory was thousands more than a firm who priced the same job but using press fit. My only dealing with...
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    Adding a second Expansion Vessel?

    I was at a job looking at an unrelated issue when the lady mentioned her blow off keeps running outside. Apparently the last plumber replaced expansion vessel(and checked the precharge was 3bar) on the cold feed into the cylinder, 3bar pressure reducing valve and 6bar blow off in the hope to...
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    Worcester Danesmoor 15/19 air setting won't go high enough!

    Manual States it should approximately be 9 but 7 is the highest the needle will go to? The screw just jumps at around 7. Any ideas?
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    Oftec Questions

    I'm currently swatting up on the oftec regs with a view to doing the ofec training and I've found a couple of things I'm unsure about. The technical book 2 says "there are varying types of flexible oil pipes available with guarantee periods between 1 and 5 years. Where the flexible oil line is...
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    What size flexible oil hose on Danesmoor 15/19?

    Does anybody know off the top of their head what size flexible oil hose is required for the above boiler? Father in law informs me his is leaking (or at least thats where he thinks its coming from) so I'd like to pick the right one up to avoid two journeys if it is that at fault.
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    Becoming NVQ qualified without doing an apprenticeship?

    I've been in the trade for 15 years now since leaving school but skipped college as it was an hour and a half each way for me. I've worked for my dad ever since but am now wanting my NVQ qualifications more and more. I spoke with my local college last year who told me the only possible way...
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