How to empty the heating system without a drain cock

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  • čas přidán 14. 11. 2023
  • Or one that is broken or in an awkward place.
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    Thanks Al
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Komentáře • 34

  • @richiejpphotography6057
    @richiejpphotography6057 Před 7 měsíci +3

    Love how you simplify and explain how to do the jobs👏🏼👏🏼👏🏼👏🏼 keep up the great work 👌🏼

  • @nickkirton9579
    @nickkirton9579 Před 7 měsíci +3

    Always very useful and straight to the point - many thanks!

  • @b1h2u3p4
    @b1h2u3p4 Před 7 měsíci +5

    Very handy information, keep up the good work. 👍

  • @malcolmhouse9547
    @malcolmhouse9547 Před 7 měsíci +3

    Thank you 👍

  • @jamesbrock9200
    @jamesbrock9200 Před 7 měsíci +2

    I found out some years ago, much to my annoyance, that drain cocks jam closed, I have now taken to opening the drain cocks at least once a year to stop them sticking.

  • @markbradley6993
    @markbradley6993 Před 7 měsíci +1

    Excellent tip keep them coming thanks
    Mark B

  • @colinmiles1052
    @colinmiles1052 Před 7 měsíci +1

    Useful information - thanks!

  • @recklesstapedeck
    @recklesstapedeck Před 6 měsíci

    Many thanks Derek, luckily I have a good working drain valve on the ground floor near the front door where I can drain into my garden shingle. This was useful as I am about to saw an old radiator out like for like so a simple job.

  • @michaeljamesdesign
    @michaeljamesdesign Před 3 měsíci

    thanks for this

  • @geoffreycasey875
    @geoffreycasey875 Před 7 měsíci

    Great video..👍🍀

  • @namAlexander
    @namAlexander Před 7 měsíci +1

    good info pal watched allot of your vids , changed 4 rads and done a system clean months ago, then i find out a mate works for bloody k-rad so the last two big main rads in front and back room i can get at a massive % off so I'm defiantly changing them I'm like wtf you not tell me before lol , all rads were the old round top type years old and cant find any info on heat output unless you know?

    • @dereton33
      @dereton33  Před 7 měsíci +1

      Not on them old rads They neve gave any info on heat output.

    • @namAlexander
      @namAlexander Před 7 měsíci

      @@dereton33 lol my local plumbers said that when sorting the new rads out he said worse Psml, that’s why I know there round tops, no wonder I can’t find outputs

  • @richardlewis5316
    @richardlewis5316 Před 5 měsíci

    I never bother trying to drain a system using the drain off valve as it is always blocked so I drain the system from one valve as you showed. One tip when draining a radiator is to undo the whole bleed valve so more air gets in so it drains quicker!

  • @loc4725
    @loc4725 Před 7 měsíci +1

    Quick question: in a combi or unvented system where do you add the inhibitor once the system has been drained?

    • @davehunter6920
      @davehunter6920 Před 7 měsíci +1

      inject it thro the filling loop

    • @loc4725
      @loc4725 Před 7 měsíci

      @@davehunter6920 I see, thanks! I wasn't sure if that was safe or if I should just isolate a rad & funnel it in though the top..

    • @dereton33
      @dereton33  Před 7 měsíci +1

      You can do it that way as well.

    • @davidplanet3919
      @davidplanet3919 Před 7 měsíci

      @@davehunter6920Or put it in the magnetic filter pot, if you have one.

  • @nachobanditchannel
    @nachobanditchannel Před 7 měsíci

    My boiler has an automatic filling valve, so it fills the system when I try to drain it. There's no valve or key to turn under the boiler?

    • @dereton33
      @dereton33  Před 7 měsíci +1

      Shut the water off by the mains in that case.

  • @davidplanet3919
    @davidplanet3919 Před 7 měsíci

    Occasionally I need my rubber bungs for my tank and can never find where I have put them. But then when I am looking for something else for a completely different job I find the rubber bungs 🙂 I should really keep them in the attic near the tank.