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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. D

    Replacing radiator and draining systems

    Evening, I will be changing a radiator in my downstairs toilet. Looking for advise on best order to drain and fill system and any potential issues with doing this. I have gravity fed system. Any help is appreciated. Thanks
  2. D

    Heating Plumbing Business/Back Office Systems

    Hi My husband has been running his heating/plumbing business for 5 years. He started up on his own and he is now at the stage of having 2 engineers working for him. I help with the admin and invoicing and now my children are about to start school, I would like to take on more of the business...
  3. B

    Common return off 2 separate systems??

    Hi guys. I am putting in 2 altherma heating system into a house. We need 5 pipes from the plantroom to the house however the plumber has only put in 4 pipes. Would it be possible to have a common return off the upstairs and downstairs systems returning to 2 low loss headers in the plantroom. The...
  4. P

    Heating systems installation

    Hi to all. Have quoted from two heating engineers for my new heating system. One with low loss header and three pump(hot water cylinder,heating zone 1,heating zone 2),one with out. The house is 5 bedroom with loft conversion and back extension,will have 20 radiators and 300l hot water cylinder...
  5. 1

    Types of systems available

    I was just pondering about my new system design, which will be fitted at the beginning of 2018. Is it possible to run an unvented cylinder with a vented system boiler? Just wondering as it has to be far less hassle/least likely to leak than a pressurised CH set up? I already have an unvented...
  6. R

    I want to learn more about running heating systems on uncontrolled heat sources

    I have the basic NVQ2 level awareness of wood burning stoves and gravity systems, but sadly this is one of the C&G (Maskrey) Plumbing textbook sections that should have been used for lighting the fire. I could bore you with the specific situation with the bungalow, the existing woodburning...
  7. M

    Do all new heating systems now need to be zoned

    I think I have read in document L 1a. That all new installs above 150sqm need to be zoned. But sure I was told this has been updated so that all new installs even below 150sqm need the living and sleeping areas zoned. Is this true?
    • Mgrant
    • Thread
    • central heating system forum heating new plumbing systems zone zoned
    • Replies: 0
    • Forum: Plumbing Zone
  8. finchy01

    Sentinal leak sealer on pressurised systems

    Afternoon all, Short and to the point. Have any of you experianced any problems using the sentinal leak sealer on pressurised systems? Think the leaks underfloor so want to try this before getting thermal imaging guys in. Thanks.
  9. B

    Could someone please identify the blue part ?

    Hello, I am trying to tidy up the area up in the picture...... I have no clue what the blue part is...... I want to replace it and change its position...... so any help would be appreciated...... I have searched so many different things and I cannot find anything similar Many thanks if...
  10. jaydebruyne

    Drainage Systems

    Can anyone recommend a good up to date book or website on above ground drainage systems? I've realised my knowledge on this topic is limited :/ From the very small snippet I learned in that pile of poop course I did I've long since forgotten!!! Cheers
  11. R

    Gas and Solid Fuel/Wood linked C/H systems

    Looking for advice from experienced installers. I currently have a 3 unit C/H and hot water system with wood burner, solid fuel range and Stelrad Ideal Mexico gas boiler (20+ years old) that has failed and not sure if current regulations and current gas boilers will require system to be...
  12. S

    Commercial gas

    Hi chaps and Happy Christmas! Just wanted to know, does anyone on here do commercial gas? How much more difficult is it than domestic?
  13. S

    pexathem U/F Heating spares

    I 've got one of the origanal pexatherm u/f wet heating systems which i understand is knocking on 20yrs old,need to get some spares and having difficultly in trying to track them down - need an end cover for the maniford with the bleed and drain off points - does anyone know of any suppliers -...
  14. AlexGas

    This consultation proposes ways to drive performance of heating systems up...

    HEAT IN BUILDINGS The Future of Heat: Domestic buildings https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/575299/Heat_in_Buildings_consultation_document_v1.pdf
  15. C

    installation of a cyclinder

    Hi does anybody know if you can install unvented cylinder with oftec .or do you have yo have unvented cylinder ticket separate. Or does it just apply to gas .??
  16. ShaunCorbs

    Carbon steel press fit pipes for water heating systems (commercial)

    if you can keep this to your-selves ;) but a heads up for any of your commercial guys https://1drv.ms/b/s!AuF03HdZVijHgUp_4hDlLzUm94yo
  17. M

    Gerkros unvented cylinder immersions?

    Need to get a pair of immersions to replace existing, from what iv found out about Gerkros they went bust in 2009/2010 so no technical helpline. Anyone worked on these and know the thread size, i know they are 14" - just cant be sure they are 1" 3/4 and dont really fancy draining it, removing...
    • mikeyc
    • Thread
    • cylinder existing heating immersions systems unvented unvented cylinder
    • Replies: 3
    • Forum: Plumbing Jobs | The Job-board
  18. S

    2 flats what system?

    Hey all, I have a house that is currently set up as 2 flats, the heating system is a mish mash of electric heating upstairs and a badgered oil boiler downstairs, I need to replace the boiler and tank due to a fit and forget practice by the previous owner, I thought about just installing an oil...
  19. D

    S and Y plan systems help

    I've got a little install test for helplink tomorrow and I've been told I'll be given s & y plan diagrams and be told to fill in the blanks. I know the very basics about s & y plan but to be honest the most I've done on them is change a 2 port or rip the system out!! Any pointers on what I...
  20. R

    Traditional and systems boiler for gas portfolio?

    In my level3 gas portfolio I need to do a service for a traditional boiler and a systems boiler I have serviced a ideal classic rs40 which is open vented - is this classed as traditional boiler? Also I have serviced a ideal classic rs250 with an expansion vessel which is a sealed system -...
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