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radiator

Radiators are heat exchangers used to transfer thermal energy from one medium to another for the purpose of cooling and heating. The majority of radiators are constructed to function in cars, buildings, and electronics.A radiator is always a source of heat to its environment, although this may be for either the purpose of heating this environment, or for cooling the fluid or coolant supplied to it, as for automotive engine cooling and HVAC dry cooling towers. Despite the name, most radiators transfer the bulk of their heat via convection instead of thermal radiation.

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  1. B

    Bedroom radiator problem

    I have recently moved into a new house. We have a problem with the heating in a bedroom that sits above a garage. The garage is an integral part of the house with the bedroom above. The bedroom is very cold compared to the other bedrooms . The builder insists that the radiator in the room is the...
    • Bedroom radiator problem
    • Thread
    • bedroom problem radiator
    • Replies: 4
    • Forum: Central Heating Forum
  2. B

    Remove radiator from wall?

    I need to remove a radiator to take tiles off behind it & then re-board, plaster & paint the wall. It has a drain valve, would it be ok to empty the radiator through that? The radiator will be taken off for about a week so after taking it off would it be ok to cap the thermostatic valve & still...
  3. A

    How can I turn down this traditional towel radiator with tap valves?

    I have recently had this radiator fitted and currently it gets very hot. I would like to turn the radiator temperature down however I'm unsure which valve I need to turn. I am not sure which is the flow or return. Or does it not make a difference? At the moment, both valves in the picture are...
    • adam861
    • Thread
    • radiator towel towel radiator traditional valves
    • Replies: 1
    • Forum: Central Heating Forum
  4. W

    do i require heat leak radiator

    connecting free standing woodburning stove to indirect cylinder, by gravity, do i need to fit heat leak radiator?
  5. L

    Help pipes touching radiator

    Hi. Can anyone tell me if it's ok for plastic water pipes to actually touch the radiator? Thanks
  6. D

    Can I add another radiator on this microbore manifold?

    I have what appears to be a single pipe system? with microbore manifold downstairs, and I'm assuming another upstairs under floorboards, both with 3 radiators. The photo shows the downstairs manifold, and looking at the way the other radiators are connected, is there any reason why connecting...
    • Dave Preston
    • Thread
    • another manifold microbore radiator
    • Replies: 3
    • Forum: Central Heating Forum
  7. jamesa2487

    One Cold Radiator Downstairs

    Hi. I have one radiator downstairs that will just not get hot. If I disconnect the thermostatic valve then turn it on hot water comes through. When I reconnect it the radiator heats up for a couple of days then stops again. I have bleed the radiators / balanced. Any idea? Thanks
  8. S

    Hydrogen in one radiator

    Closed heating system, approx 14 years old with oil fired boiler, feeding around 18 radiators over 2 floors. One small radiator nearest the boiler and downstairs repeatedly fills up with hydrogen over a period of about 4 weeks. Hydrogen is suspected as it can be ignited and there is no smell...
  9. S

    old myson round top radiator output

    Hello, does anyone have any details of the heat output for old myson round top radiators? The radiators do not have fins and date from 1970s / 1980s. There was another tread where there seemed to be attachments with the info but the links have expired. Thanks for any help.
  10. P

    Boiler / Radiator Total BTU Advice Needed

    Hi all Having some renovations done on ground floor and looking to get rid of / replace some of the older looking boilers on that floor (mainly Double panel, double convector, some double panel single convector. As well as replacing these I wanted to add a couple radiators too, but have become...
  11. R

    Reasonable quote for changing 2 rads?

    Hi all, We've sourced 2 new rads that we’re looking to get installed in place of our 2 existing ones and have been quoted £350 for a direct swap (including balancing and fitting TRVs that we are supplying) or £700 if we’d like the addition of the pipes being chased into the wall. I wanted to get...
  12. G

    Vertical Radiator internal baffle

    Currently installing this and looking for advice please. Instructions state there is an internal baffle and flow should be connected to this side if there is a sticker at one side. I can see the baffle and it looks and measures almost central and the sticker is central so is it ok to connect...
  13. L

    Advice on radiator installation

    Hi guys , just looking for some advice. Our building contractor is doing a compete replumb and we have a on a radiator he installed. it was to be wall mounted and the pipes were set to come out of the wall. It's not as clean as I thought it would be as i thought the pipework would go straight...
  14. J

    To add inhibitor into towel radiator

    Hi, I want to add inhibitor into towel radiator for the heating system. I saw from Youtube that people normally open the radiator vent plug from bottom, either left or right (photo 4 and 5). But I saw someone opened from top which looks easier. Please see the attached photos 2 and 3, should I...
    • Jurgenjay
    • Thread
    • inhibitor radiator towel towel radiator
    • Replies: 11
    • Forum: Gas Engineers Forum
  15. M

    Changing a radiator, to flush or not first

    I have a rusty radiator in the bathroom, not worth repainting as there is already paint on top of rust. It will be straightforward for me to change myself, I can get an identical replacement Stellrad, which makes things easy. The water in the system has inhibitors in it and a Fernox TF1 has kept...
    • mart 341
    • Thread
    • changing first flush radiator
    • Replies: 2
    • Forum: DIY Plumbing Forum
  16. J

    Wet/electric ufh and radiator manifolds) in Southeast London

    As part of deep house renovation, planning to install wet ufh on the ground floor, and radiators on upper floor. Two bathrooms will have both water based towel warmers and electric ufh, and need dual thermostat to separately control air temp (by running towel warmer) and floor temp. Need...
  17. R

    Radiator vs underfloor heating

    I am in the process of having an extension for approx 4m by 6 m including sky lantern Whilst I appreciate underfloor heating would be good don’t think I can afford this however would a large vertical radiator be enough to heat the area space
  18. jimbobex3

    Cast Iron Radiator - External Rust Advice

    I've spotted this rust patch on the outside of a cast iron radiator in the house. There's no sign of any water leaking from it on the floor, however when I put my finger on it, I couldn't say it was bone dry. Any advice on what I should do to try and resolve this? I'm a bit fearful of...
  19. papachumba

    Is this Radiator Valve Adjustable?

    Hi all, have a radiator in the hallway which has never worked. When I bled the radiators few days ago I checked the hallway one, and it appears to have pressure. The valve on the right of the radiator is fully open, now the valve on the left I am confused about. It is the type with a small...
  20. N

    How to replace old 3/4 Radiator valves with 15mm TRV

    Hi There, I want to swap out my old valves for TRVs but the threads are different sizes, and I'm unsure how to resolve it. My current existing radiator valve setup is: The current valve has a 3/4" thread going to the radiator. I can't quite work out what's on the radiator side, but the...
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