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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. J

    Can it tell if system flush done or not?

    Hi, I had my new boiler and 13 radiators installed in July last year, but since installed all the radiators always top half hot and bottom half cold or warm. I know that if radiators top half hot bottom half cold/warm, it indicates there's sludge in there. But as the radiators were all new, so...
  2. S

    Slow leak on my pressured central heating system

    Hi, new to this forum. I hope someone experienced out there can help me find the fix. We recently finished a building project and had a major re-design/move of all of our hot water (megaflo), boiler and central heating system. I am not a plumber nor do I know much about plumbing but I know...
  3. P

    Troubleshoot UFH PLUS radiator system

    Need a heating engineer in Central London I currently have an old worcester boiler. Since its original installation I've had many upgrades to my flat which now has 3 bathrooms and 7 zone underfloor heating plus 3 towel rail radiators. The greenstar I currently have is no longer sufficient...
  4. 3

    New W-UFH how to combine with old system to avoid old rads coming on?

    Hello, I’ve had some work done in my house to redo a kitchen and replace damaged floors and while doing this I was convinced to install W-UFH since the floor was coming out anyway and there were some joist issues in the Victorian property. Previously I had about 9 radiators in my house, 2 of...
  5. G

    How to fully TRV'd an S PLAN CH/HW system

    S Plan CH, unvented, system boiler, hot water plus 2 additiional zones ( zone 1 (landing, bedrooms and bathrom), zone 2 ( downstaris livig areas) I am thinking of 1. removing the automatic by pass 2. adding TRV's to all rads using apple home kit /cloud connected. 3. rewiring the pump to the...
  6. J

    Major issues with New Boiler system and radiators

    Just had new Worcester Greenstar 8000 Lite Boiler and all radiators replaced. We upgraded to a combi Boiler. Had issues during and now after installation. Radiators are based over three floors with Four on the ground floor, Four on the First floor and three on the top floor. Issues...
  7. aBritInDanmark

    Removing a radiator in pellet boiler system

    Hello all, I've read 1 valve radiator removal on this forum (123730) and other such threads. The reason I'm apprehensive to start is because unlike the Gas boilers I'm used to from the UK. Now I'm living in Denmark I'm dealing with a RTB10K (Ready to Burn). See attached pictures 1. Main Water...
  8. D

    Cleaning central heating system

    Hello. We live in the UK and have an open vent CH system with a tank in the attic. Recently our hot water didn't work, so we called a gas engineer. He popped in , did tap a few pipes around water storage tank with a magic wound ( magnes ) and water started heating up. He said that some pipes...
  9. G

    New Eco 7 Cylinder - spluttering/air in system?

    We've just had a new Economy 7 cylinder put in and after 3 or 4 days we still seems to get spluttering out of the taps as thought there is air in the system Basic setup as follows - apologies for poor terminology as i'm not a plumber! Cold water tank in loft of bungalow feeds into the hot water...
  10. S

    Adding UFH pump to existing “S” plan system

    Hi, folks, great forum bye the way . Ive been doing Diy plumbing since the early 1970’s on rad systems. I have now installed wet ufh in the cir 1800’s part of our present property and am stuck with how to control it. I have an “S” system, older L,N,E wired heat only oil boiler with no pump over...
  11. N

    What is this heating system

    I am trying to buy a house and it has this system installed. In pic . It’s a one bath house why does it have all that. It’s four bedroom house total heaters 12.what is this cylinder and what is that motor.do you think this house might have some water pressure problems.please guide Thanks. Nee
  12. B

    Reverse Osmosis System- Which Tap?

    Hi, I am considering installing an Undersink RO System, space should not be an issue (I think). We currently have a Quooker (instant boiling water) cylinder and tap installed which we hardly use. I am planning to disconnect and remove the quooker tank from under the sink but the question is...
  13. J

    System or Combi in local pub?

    23 rads and one kitchen hot water supply plus two basins in toilets. Had an old Concorde system boiler which gave up. Two zones supplying two large rooms 50' x 12' x 24' each. Local heating company recommended Nevien 42kw combi boiler and things went wrong after that. The installers have made...
  14. M

    Single pipe system new combi boiler

    Hi everyone. I’m a homeowner, in essence when we moved in we weren’t aware that our house was a single pipe system we have now found out after the water cylinder has packed in and developed a leak. We have had a Heating engineer round who has advised us to fit a combi boiler doing away with the...
  15. 2

    Moving a rad on duel system

    Hi, I'm moving a rad to a new location in my office room in my new home that has a duel heating system. Oil and multi fuel stove. Before in my last house, I did move a rad when doing a bathroom refit and it was a simple process. What I did was drain the system at the oil burner. Cut into the...
  16. L

    System losing pressure.

    I have an Intergas HRE 36/30 boiler. Some time ago the boiler was showing either zero pressure or high pressure. I figured it was the pressure sensor. Saw some advice about fitting an external filling loop with a gauge which I did. I have been using that for a while. Recently i have been...
  17. N

    I Have a problem with my central heating system

    At the end of December 2021, I moved into a ground floor flat with a "wet" Central Heating system. It is fitted with a Sadia Electric Boiler (Amtec 9Kw), which is fairly new and has been checked very recently. The system works OK when the room stat is set a temps below 15degrees but if it is set...
  18. N

    System Drain - Advice Please

    We live in a house that was extended in 1986, we arrived in 1991, and only now realise that there is no obvious way to drain the original downstairs radiators. There are two drain cocks fitted on pipework drops that drain the upstairs/extension end of the house only. I suspect the lady of the...
  19. O

    Where's my leak? They say not the boiler, but I am not so sure.

    Hello, Can anybody please advise. For months now our old Ideal Mini HE C24 (combi boiler) has had pressure problems. It won't stay above 1 bar. Occasionally I top it up, to above one bar, twice in a day, other times if I am happy to leave it about a 1/3 of a bar it won't complain for a week...
  20. W

    Help with replumbing leaking heating system

    I have a pdaily loss of pressure in a closed circuit system as noticed on the gauge at the filling point 2 bar to 0. After exhausting all the usual options it appears there’s a leak unground with no visual sign anywhere.I’ll have to re plumb the heating. The boiler feed and return pipes are...