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heating system

  1. P

    No flow in heating system.

    This is perhaps a long shot, but anyway... I live in a block of flats in Beijing, and the heating is provided by a metropolitan heating system. The block's system seem to be split into two - top 10 floors and the lower 10 floors are heated separately. My flat is on the 10th floor, and our...
  2. D

    Flush gravity fed F&E central heating system

    Forgive me is this is a stupid thought! I'm looking to flush dirty water out of an F&E system. Can I attached a hosepipe to the lowest drain off point and simply drain off water outside without turning off the water supply to the F&E tank? So my thinking is that it may take some time but...
  3. P

    Overflow pipe off heating system

    Hi Has anyone come across this small bore copper pipe that runs off the central heating. The pipe runs up to the roof space and terminates in the central heating small feed tank. It seems to act as a vent or overflow for whenever the client turns on the hot water. The coil heats the water and...
  4. S

    Single Pipe Heating system problem

    Evening guys, Replaced 2 rads recently on a single pipe system (Heat only Boiler). Both Rads identical Reina Horizontal with trv & lockshield upstairs in the house in opposite rooms. One of the rads is absolutely fine, The other isn't heating up as i have no flow on the trv side!? Called back...
  5. milleniumaire

    URGENT F.20 after refilling central heating system

    Today I partially emptied the central heating system (1st floor and loft) so that I could disconnect an old towel rail and install the pipe work ready for the new towel rail. All went well and I have two capped pipes sticking out of the wall where the new towel rail will be fitted. Having...
  6. K

    Avoiding airlocks in central heating system teeing off from the main pipework

    central heating radiators to feed upstairs and downstairs main paperwork runs in ceiling void downstairs ,need to tee off to radiators downstairs do I tee off from above or below on the main pipework to avoid airlocks
    • Kevo
    • Thread
    • central central heating heating heating system main pipework system
    • Replies: 1
    • Forum: Central Heating Forum
  7. milleniumaire

    Design For New Central Heating System

    I'm looking to expand my central heating system by adding a new bathroom UFH zone. I'm also changing the pipes feeding the loft radiators to 22mm, instead of 15mm. Early discussions with my heating engineer talked about introducing a Low Loss Header and one or more additional pumps. The...
  8. Stants

    Trouble draining Heating system

    Hi all I have an old Vented system header tank etc...... ( im very soon replacing the whole lot ) I need to move the header tank so tried to drain down the system and the Tanks not emptying put hose on downstairs Rad to drain, and water came out but I'm pretty sure all I've done is empty...
  9. Jock Spanners

    To seal a central heating system or not?

    Good morning everyone, I have a big old vicarage which needs a new regular boiler. They also want fancy mixer taps in the kitchen . They have two hot water cylinders linked together, a shower pump and curved old radiators in the bay windows. I'm agonizing over what to do. The easiest option is...
  10. T

    Heating System Design

    Hello to all I am currently refurbishing and old victorian farm cottage and propose to install a new heating system as per the attached diagram. I would appreciate advice/opinion as to the validity and efficacy of the proposed design attached. To pre empt some likely questions regarding heat...
  11. L

    Noisy Pipes on central heating system

    I'm having some rumbling and water trickling noises in radiators on my central heating system. When the hot water clicks on there is no problem and if the central heating clicks in at the same time again there is no noise - but if the central heating doesn't come on and the thermostat is turned...
  12. M

    Impartial advice on new heating system

    I am renovating an old stone cottage in North Wales and need to install a complete new heating and plumbing system. I'm looking for impartial advice on the total system design and components. I would like to have a system that is cheap and efficient to operate. However, there are some aspects I...
  13. T

    Heating System Noise

    I have a standard open vented system. I recently replaced a radiator and took the opportunity to drain the system and refill with fresh Fernox (something I have done before). The water was pretty clear and there was no indication of any problems when I drained the system. I had a few problems...
  14. C

    Pressure in heating system keeps creeping up

    We have a 2 year old Valiant EcoTec 832 Combi boiler which was running our CH and hot water. We recently had some UFH installed and the boiler moved to our new extension. Over the past weeks the pressure in the heating system keeps creeping up. It goes from approx 1.5 to 3.2 bar overnight. If...
  15. D

    Inhibitor in pressurised heating system

    Hi All, Hope you are all safe in these scary times. I need to replace a pressure relief valve and then put inhibitor in my system. I have seen videos on how to add inhibitor using a bit of hose and a hand pump sprayer. The bit I don't get is exactly what part numbers I need to order to fit...
  16. M

    Constant Air In Heating System

    Hi Guys, New to the forum, looking for advice to avoid spending thousands (just yet anyway). I have an old Back boiler system (Baxi Boiler), tanks in the attic for rads and hot water as well as immersion tank in airing cupboard. A few weeks before boiler service, the heating started making an...
  17. O

    Bemused and baffled by overcompliacted domestic heating system

    Hello All, Moved in with the good lady and inevitably took on the role of house trouble shooter. Since the aforementioned moved in just over 1 year ago the radiators have never worked. I've attached some pictures. Can anybody help me out here as not sure where to start. In the homeowners pack...
  18. S

    Clunk when switching on hot water heating system - non vented system

    Hi, about 5 years ago I had a new boiler fitted. The location of the boiler was moved so new pipes fitted. No problems. About 2 years ago I then needed to have my 3 way valve replaced, this is when issues began. Initially there was no heat and the system was drained several times, this...
  19. K

    New Oil Central Heating System

    Hi. I have a new oil central heating system having had solid fuel previously. It’s stopped firing up and I’m not sure if it’s because the oil is low or if there’s a problem. Plumber not answering (I understand, it’s that time of year). He hasn’t been back to “flush/clean” the system. It was...
  20. C

    Grey plastic pipe in heating system.

    Doing some decorating I discovered that some of the central heating pipe work is grey plastic. System installed 20 years ago by previous owners. My question is was that normal practice back then and is it likely to cause any problems in future? All exposed pipe work to rads is copper.

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