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The red-vented bulbul (Pycnonotus cafer) is a member of the bulbul family of passerines. It is a resident breeder across the Indian subcontinent, including Sri Lanka extending east to Burma and parts of Bhutan and Nepal. It has been introduced in many other parts of the world and has established itself including New Zealand, Argentina, Tonga, and Fiji. It has also established itself in parts of Samoa, Australia, USA and Cook Islands. It is included in the list of the world's 100 worst invasive alien species.

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  1. F

    low loss header / open vented

    Has anyone installed a LLH on an open vented system? If so, have there been any issues or anything to look out for?
  2. R

    UFH on an open vented system

    Hi All, I'm a customer looking to have about 40 square meters of UFH in a new ground floor extension. The current central heating system is an old concorde with primatic cylinder that I was going to have to replaced with a Worcester 30CDi Classic, new vented cylinder and heating header tank...
  3. M

    Aav on vented soil pipe?

    Hi All, Quick question. Customer had en suite fitted with toilet soil pipe running out side of roof over guttering across about 6 m and teeing into existing soil stack on side of house. This then runs another 4-5 m into the vented pipe. All in all the en suite WC has a run of around 13 m. It...
  4. G

    Vented Cylinder, is it safe?

    I would to change hot water system in my flat and the only solution plumbers give me to get rid of cylinder+tank is vented cylinder (I want also have more space into the storage that's why I do not want another unvented system). I have only electricty at the flat. My question is, assuming the...
  5. L

    open vented system woe

    Hi guys, i am not too clued up on open vented system layouts and fault findings so any help will be much appreciated. a friend contacted me to say some of there rads where not heating and they regularly had to bleed the rads on the top floor (3 floor house) i was rushing to another job but...
  6. D

    Vent offset on open vented cylinder

    Hello everybody. Could somebody please tell me why it is necessary to offset the vent pipe by 450mm directly off the top of an open vented cylinder. Iv heard its to "prevent one pipe circulation" what exactly does that mean? Thank you.
    • Dannyparty92
    • Thread
    • can't cylinder heating offset open vented something vent vented vented cylinder
    • Replies: 13
    • Forum: Plumbing Jobs | The Job-board
  7. C

    Tips for refilling standard vented central heating system without creating airocks.

    Hi, Has anyone got any tips when it comes to refilling a standard F&E c/h system up to best avoid getting airlocks. Thanks. Casey
  8. J

    Do I need Air Admittance Valve??

    Hi I did find quite few threads on this already here but not one that answered my question. I have a 2 story-semi with 2 existing upstairs toilets currently discharging into a singe exterior vented stack. I am fitting a new WC in downstairs cloakroom and am intending to run the new waste...
  9. M

    Valve between flow and return just after pump (open vented system)

    Hi, I'm new to this forum so please bear with me. I recently bought a house and have an old open vented system installed. The problem with it is that the boiler keeps overheating and shutting down for a while to cool down. I think it's due to poor circulation. The pump seems ok so I suspect...
    • Mondrota
    • Thread
    • after between flow flow and return pump return system valve vented
    • Replies: 16
    • Forum: Plumbing Jobs | The Job-board
  10. S

    Fitting Heatrea Sadia Megaflo to vented sysyem

    I am about to replace the leaking indirect, vented hot tank in the domestic central heating system. I would like to fit a 125 Heatrea Sadia Megaflo tank in the non-pressurized system. The hot water supply is not pumped. Is this possible? Is a pump required? And if so where should it be fitted...
  11. G

    converting from an open vented to a sealed system

    Hi Fellas, Im new to this site and have a question???! When converting an open vented system to a sealed system (expansion vessel, PRV and all the rest) can I connect into either of the primaries? The boiler is located in the garage and would be an ideal place for me to site the expansion kit...
  12. D

    Hot Water?

    Hi Everyone, Just a simple question that might get a host of replies. Can anyone tell me is it better (or cheaper) to leave your hot water on permanently? I have a condensing boiler with a stored water cylinder. Regards DEMPSEY1965
  13. R

    42 year old open vented system on microbore

    Hi everyone, I'm a new member and not a plumber or central heating engineer. Mum and me live in a 1970 house she's had from new and the installed central heating is very primitive (no thermostats except the one close to the Concorde boiler, no zonal valves). As far as I know, it's never been...
  14. Z

    Power shower

    Good morning, I have been asked by a customer to increase the power/ flow of his shower. The current installation is main feed electric 8.5kw shower. I haven’t tested the main pressure at the shower as yet but let assume it is 1.5 bar. The heating is a vented y plan gravity system. The bathroom...
  15. H

    Open vented system noise

    I have an open vented sytem and when the boiler knocks off a moaning and groan goes through the near by pipes. Can anyone point me in the right direction?
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