systems

A system is a group of interacting or interrelated elements that act according to a set of rules to form a unified whole. A system, surrounded and influenced by its environment, is described by its boundaries, structure and purpose and expressed in its functioning. Systems are the subjects of study of systems theory and other systems sciences.

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  1. C

    Underfloor heating systems

    Has anyone used maincore U/F system? Any good?
    • Ch4 plumbing
    • Thread
    • heating systems ufh under floor heating underfloor underfloor heating
    • Replies: 4
    • Forum: Plumbing Jobs | The Job-board
  2. C

    Pellet Fired C/Heating systems General Warning

    I think this should remain here rather than posted in the solar etc section. As usual CHK was in a boardroom today. As I side issue it has emerged that there is not at present any standard for pellets. Already users are being targeted to purchase low calorific value pellets that will severly...
  3. C

    Pressure Loss in Solar Thermal Systems

    One of my plumbing customers experiences a gradual small leak of the heat transfer liquid over a month or two. Eventually it stops working and they have to get it re-pressurised by their installer - its several years old now and they say the liquid is quite expensive. Is this usual and can...
  4. M

    Garden Plumbing Question - Wet Play - Pumps / Pipes / Systems Etc

    Good Afternoon All, I couldn't find a section dedicated to garden plumbing so hopefully this will be ok here. Im looking to create a "wet play" system for the kids which will involve several water endpoints which will spray arcs of water of sprays, whatever I want to add really, anyway that's...
  5. M

    domestic fire suppression systems

    Does anyone have any thoughts on these, ie how effective they are, cost of installation ,and how easy they are to retro fit into existing buildings . Any advice thoughts etc appreciated......................Magnet
  6. M

    Information on various heating systems and boilers?

    As the title says really. Is there any sites or info around the can briefly describe the various heating systems and boilers that are used????
  7. S

    Complete solar cylinder systems

    Hi, I'm about to do an installation on an old Edwardian house, will have 2 bathrooms and an ensuite, 24 radiators (inc towel rails). It's only a 3 bed but the rooms are so big they need 3-4 rads each in some. The customer would like a hot water cylinder, off solar panels and a boiler...
  8. M

    Central Heating Literature?

    Hi lads, are there any decent books that cover the different types of domestic heating systems about?
  9. K

    Installing Nest thermostat in zoned system

    Hi all, I have two Nest thermostats that need to be installed on a zoned system (Honeywell ST9500C with . The thermostats run off 12V DC so they come with a converter called a Heat Link. This also communicates wirelessly with the thermostat to call for/stop the hot water heating. My problem...
    • Kemik
    • Thread
    • forum installing nest plumbing programmer system systems thermostat thermostats zone zoned
    • Replies: 11
    • Forum: Plumbing Zone
  10. E

    Hybrid systems providing loads more earnings

    Have you guys read this ? Hybrid systems - the latest news - STIEBEL ELTRON Great Britain Bivalent systems could very well be the way in the future ! I am still happy with my Hybrid set up. The more installers who become knowlegable on how to do right could be onto loads more earnings on...
  11. W

    Kitchen tap suitable for "gravity fed systems only"

    Swirl Divine Mono Mixer Kitchen Tap | Kitchen Mixer Taps | NoLinkingToThis Presumably this can't mean tank cold too as it's a kitchen tap. Anyone come across a tap that says that before? Perhaps the hot side is made in such a way that it would be an uncontrollable jet if put on mains hot from a...
  12. Worcester

    Removing old Oil and LPG systems when converting to renewables

    @Bunker triggered some questions on the way we currently do things! I had presumed when replacing existing oil and lpg systems, since we would be messing around with oil boilers and oil tanks that there would be all sorts of regulations when ripping them out? If not then that makes our life...
  13. W

    Tap unsuitable for "low pressure systems"

    Custard wants her tap replaced with same but she doesn't know make/model and it doesn't say anything on it. Quick google and I'd say this looks identical - can't guarantee it's it - but it looks spot on. She's got gravity hot, tap runs fine, decent flow. Tech says 2.6 litre a min at 0.3 bar...
  14. H

    British Gas seek Installation, Service and Repair Contractors - opportunities UK wide

    At British Gas, we provide full installations, servicing and repairs to our customers' central heating systems and as such have different opportunities, depending upon your skillset and experience, highlighted below. Central Heating Installation If you are an experienced contractor with...
    • Helen BG
    • Thread
    • british british gas central contractors gas heating installation repair service systems wide
    • Replies: 1
    • Forum: Plumbing Jobs | The Job-board
  15. B

    multi fuel stoves

    the whole of ireland has gone crazy installing ..stoves ..stanley.blacksmith.boru.neston martin etc...is this craze as prevalent in the uk ..regards buf
  16. Chalked

    Learnt something new today

    I've never done it, but was told today building regs don't allow secondary hot water to be plumbed in plastic. ie speed fit, hep2o, polyplumb etc. something to do with it running all day at a constant temp.
  17. B

    Unvented hot water storage systems.

    What are the basic regs that need to be followed when fitting an unvented cylinder? I done the unvented course but I've lost it in my mind and can't find notes for it anywhere online either. Can anyone offer a brief summary of it? I've ordered the corse literature off amazon but it won't come...
  18. A

    Open vented to sealed system

    Hi can anyone advice me on the best way to convert a open vented system to a sealed system cheers andy
    • Alg1985
    • Thread
    • different doing open vented sealed sealed system system systems vented where
    • Replies: 7
    • Forum: Plumbing Jobs | The Job-board
  19. L

    Any Body Specialise In Rain Water Harvesting ?

    Hello guys. Do any of you guys specialise in rain water harvesting ? is it cost effective? what, if any regular problems ? is there a demand for these sort of systems ? basically i have been toying with the idea of MAYBE some day building a business around them although it is nothing...
  20. J

    Adding extra radiators to central heating systems

    Hi Plumbing world! Ok I have had a client request for small radiator to be added to her centralheating system. Now this will bethe first time I have added a new radiator to a system. I have obviously changed radiators, switched from single panels to double convectors and fitted a few heated...
    • Joely
    • Thread
    • adding central central heating color extra heating radiator radiators systems verdana where
    • Replies: 1
    • Forum: Plumbing Jobs | The Job-board

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