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Recent content by ambrosia

  1. A

    Choosing UFH pipe for screed

    Hello I'm looking at the different pipes for UFH, the prices vary a lot and I'm not sure about the differences between the products. I'm doing two zones, one 127m the other 70m, both will be under screed. JG barrier pipe will cost £400 but Pert-Evoh-Pert is only £170. Both say they are 15mm...
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    Retraining as a Gas Safe Engineer

    I did the opposite, i was a gas engineer for ten years when i got it in my head that i wanted off the tools. So I did a masters in building surveying, then a year in industry to get my accreditation. The result, I'm a chartered building surveyor, but lots of regrets and I miss being a gas...
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    energy efficiency course

    sorry, been meaning to read that pdf for ages, finally got round to starting it
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    energy efficiency course

    Its been a decade since I did my energy efficiency course, I wanted to refresh myself on a few things, could anyone recommend a good text book thanks in advance
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    what do you guys make of this

    place was full of asbestos, i aint drilling nothing!!
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    what do you guys make of this

    in the end i put it down as an AR, because it has no sleeve i was able to. However as wrong as it seems if it was sleeved i couldnt think of any reason to AR it. it was in a hospital/old peoples home, so IDing it was to be avoided for as long as possible, but there was also no high ventilation...
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    what do you guys make of this

    the above pic is ducting and at the bottom a fan providing the mechanical ventilation to a plant room, going through the ducting is a gas pipe. even with the obstruction its providing ample air. the gas pipe is not sleeved and i cannot be certain if its a straight piece of pipe with no joints...
  8. 20180614_142641[1].jpg

    20180614_142641[1].jpg

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    mechanical airflow formula

    someone tell me the formula for calculating mechanical ventilation airflow, i dont like relying on an app and theyve removed the formula for calculating mechanical ventilation airflow from our books and exams. very frustraiting i seem to remember it was some thing like; wind speed averaged over...
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    U7 fault code Worcester 37 cdi combi

    did you run the heating, if the heating is not working as well you should be taking a close look at the pump, if heating is fine i'd be looking at the diverter valve. once youre stasisfied with the flue of course
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    U7 fault code Worcester 37 cdi combi

    theres smarter guys on here than me but the the 2 faults thing was for open flue appliances and is no longer in effect, but as i recall it was 2 ncs = an AR
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    unwelcome letter from gas safe

    had to attend last week, found it a complete waste of time, really easy questions and the harder ones such as 'an openflued appliance in a bathroo0m' they told you before the exam thats its been upgraded from AR to ID. its open book, but personally i didnt need my book and judging by the amount...
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    potterton ec three 215 e

    on a potterton ec three 215 e, what is comfort set point really fiddly control on that boiler, I couldnt figure how to get it on low flame or high flame and in trying, ruined the settings for comfort set point, i'm guessing its kind of like a frost stat and the boiler fires when ever the temp...
Creating content since 2001. Untold Media.

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