radiator

  1. Buzyizzy

    Radiator not coming back on

    Ok, I moved into house seven weeks ago and after the oil delivery chap had bled the system from the external boiler, all was working fine. As not all the rooms needed to be heated, plus oil being a bit expensive, I thought I'd turn off some of the radiators. I now need one of them back on, but...
  2. S

    Empty central heating for 6 months.

    Hi all, About to start some major renovations of the bathroom. This will require the removal of the boiler and likely not be a new one installed for about 6 months. (new extension) If i drain down the system and just leave all the rads empty will they it be ok when the new boiler goes on? I...
  3. S

    Magnetite?

    Hi. I have a 1960s house with a combi boiler fitted in 2009. Heating working well except for one rad which won't heat adequately. Patchy heat - along the top, some at one side. No air coming out when I bleed it. Am thinking sludge. I thought I'd loosen the hex blank at the other end to see what...
  4. D

    CH pipework through floor insulation

    As a part of my renovation project, I will replace/relocate some radiators and put plastic pipes (current pipework is kinky 8mm copper microbore). While things are relatively easy with upstairs, I am not sure how to approach downstairs. On top of the solid floor, I will have 25mm Celotex...
  5. V

    How to calculate radiator size?

    Our kitchen, where the family spend most of their time, has two radiators but they are not generating enough heat to make the room warm enough in cold weather. Can anyone please recommend a website, or programme, which will help me calculate what size radiators we actually need? (Our boiler has...
  6. W

    paint bubbling up on radiator - advice?

    So I have this on one of the rads Is this picture suggestive of an imminent leak from the radiator? It has been like this for a couple of years now with no visible change, unless vvvery slow.. A plumber did point it out a couple of years back and said he'd consider replacing, but I never got...
  7. P

    Thermostatic Radiator Valves

    Hi, Just a general educational question: When one turns the control knob on a TRV to a higher or lower setting, what is it connected to within the valve? I assume it's adjusting spring tension or something similar? (Assuming it's using a wax-based actuator.) Thanks in advance.
  8. M

    Installing a radiator up high, waste of time?

    Hi all, When my kitchen was decorated quite sometime ago the radiator was removed to make space for much needed extra storage space. There were electric plinth heaters installed naively thinking they would be up to the job of keeping the kitchen at a decent temperature. Now I find that the...
  9. D

    wrongly wired oil filled radiator??

    Hi, I recently bought two new identical oil filled radiators off ebay. Both of them dont seem to work correctly. They have three heat settings 850w, 1750w and 2600w ( 850w and 1750w combined). On the 850w setting the unit works fine, it heats up and responds to the dial thermostat and...
  10. J

    Replace Imperial radiator with shorter metric - what fitting?

    How do I connect a 15mm pipe to a 1" diameter male "O" ring type fitting? See photo. I am replacing an Imperial radiator in a single pipe system with a metric one which is quite a bit shorter. I have bought a 1/2" Danfoss Randall RA-G Single Pipe TRV Body which comes with a chrome fitting...
  11. C

    Radiator Problem: URGENT HELP NEEDED!

    Hello everybody, I have a very urgent problem and would be incredibly grateful for help! My wife and I are expecting our first baby on the Jan 19, and moved house on Dec 29. We had three radiators replaced: In our bedroom, the “first” baby’s room, and the “second” baby’s room (all upstairs)...
  12. F

    Help with spray painting a radiator..?

    Hi, Can anyone help me with what types of spray paint I can use on radiators as I want a larger variety of colours to use, my project is ombre painting for my little girls bedroom. Can any type of enamel paint work the same as radiator paint? The radiator is already painted, no rust, I just...
  13. 4

    Boiler pressure issue?

    Hi all. New poster. Hope this is in the right place. I have an issue in that a radiator in my flat is completely cold. I have bled it (there was very little air in there) but think it might be a pressure issue. Our boiler drops pressure regularly, sometimes down to close to zero. Using the...
  14. H

    Turning off radiators in rooms that are too hot

    Hi, Is it OK to turn off radiators in the bedrooms located in my converted loft as it gets too warm up there? The radiators do not have TRVs fitted and are above the Vaillant combi-boiler. Regards JT
  15. A

    Replacing radiators with larger ones - tiled room.

    Hi everyone - hope someone can help or point me in the right direction! I have two column radiators that I am looking to replace with double convection radiators. One of the radiators I currently have has pipes coming from the skirting board and the other has pipes coming from the wall (this...
  16. AndyMcCall

    Nest 3rd Gen / Heat Link not Turning on Hot Water...

    Hi All, I made a post a few days ago about how to wire my Nest 3rd Gen Heat Link. User jackthom kindly replied and everything seemed great. However I've noticed that the Heat Link isn't turning on the hot water. The central heating work fine. The original wiring of the programmer was...
  17. P

    how to remove a twin valve radiator

    we have just moved into a bungalow built in the 70's which has twin valve rads. the boiler works fine so son't want the expense of changing the whole system but we do want to remove the radiator in the kitchen so we can get more cupboards in. can we remove a twin valve radiator without...
  18. GoodOne

    Radiator valve disfigured - How can I..

    Hiya, Is there a way for me to turn off the valve off due to the nut (as arrow shown on pic) disfigured? I've tried with spanner, it seem that the metal is soft and it disfigure it rather then turning the whole nut.
  19. S

    Remove radiator paint from the radiator?

    My partner has gone and painted a brand new chrome radiator with special radiator paint, without talking to me and I want it back to its original chrome finish. Is there any way of stripping off the radiator paint without damaging the finish underneath? Cheers!
  20. J

    How to refill vaillant boiler with no switch

    I need to add water into the boiler to pressurise after removing a radiator. Can anyone tell me which valves I need to open from the picture below? (flexible looping pipe is internal and can be seen in the top left of the photo attached) Any help appreciated.
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