radiators | Page 3

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radiators

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  1. S

    One of the radiators has never worked

    A plumber said years ago that it had been installed with the plumbing backwards and the only fix involved would involve digging up the sitting room. Can anyone shed some light on this?
  2. M

    Radiators constantly filling up

    Hello, I have just had a new boiler with Google Nest installed the engineer was great and explained how it all works but now my radiators soundike they are constantly filling up I have bled all the rads with only water coming out all rads have TRVS installed apart from the bathroom towel rad...
  3. M

    Two lukewarm Radiators

    Hello! Overview: typical 3 bedroom 1930's semi-detached property. Had a single storey ground floor extension circa two years ago, during which time the boiler was replaced with an Ideal Independent and moved from back bedroom into the loft above. Problem: since the boiler was replaced and...
  4. T

    Trv not turning off, but heads are ok (work on other radiators)

    Hello, we have bulldog trvs on all our radiators but have a problem with 2 of them. The 2 upstairs radiators do not turn off (4 downstairs all work fine). If I switch the trv heads, taking one which works downstairs and putting it on an upstairs radiator it also does not shut off the radiator...
  5. harpermin

    A number of radiators not heating up

    Hi Just looking for some suggestions on what to look for/try next. Up until last weekend, our oil fired boiler central heating was working fine, all radiators heating as required. We then had an issue of a mouse deciding to go for a exploration in our air intake and causing it to begin to soot...
  6. L

    4 radiators not heating up at all

    Hi There, I have plastic microbore central heating piping, with 15 radiators around our 19 year old house, we have had issues for years with some radiators being cold, occasionally getting one of them to work, but sometimes causing another to no longer work. One plumber said, as we had an open...
  7. K

    New radiators not heating

    Hi, I have a new extension with 3 radiators (it’s quite a large space). I had 2 radiators in my original space so I have 1 extra (albeit one of the others is larger than its predecessor). The pipework to and from the radiators is new (the original system is a one pipe system but we are...
  8. Bogart

    TRV controlled radiators passing by

    Is it me or do others have the same. I have out of 23 rads in the house maybe 6 that pass by even when on the frost setting with the room temp at 10 degC. It is as if they need a small solid washer or similar inserted into the trv head to make it act a tad before it would alone. The rads do not...
  9. E

    No programmer to control radiators

    I recently moved into a new property which has a gas boiler and: (1) A hot water tank - this is controlled by a Hive timer programmer (all good); (2) Wet underfloor system on ground floor - this is controlled by Heatmiser thermostats (all good); and (3) Radiators on first floor and towel...
  10. ndfred

    Range Rating: Just Add up the Radiators’ Heat Output?

    I have a Vaillant boiler and want to set d.0 to something sensible, right now it is set to auto and can range from 6 kW to 37 kW. Adding up my radiators' heat output from the Stelrad website gives me 25.7 kW and my hot water cylinder coil rating it 23.9 kW. The Heat Geek Range Rating Method is...
  11. Z

    Help needed - radiators on one pipe system

    Hello all, I bought my house last year and recently had a couple of radiators swapped for modern triple columns. Since they were installed they are extremely slow to heat up, much slower than the old ones. I had the plumber back to try and fix this, and he flushed the system, even though this...
  12. D

    Cold radiators!!!!!!

    Hi I turned my heating on few days ago for the first time this winter and bleed the radiators and it all worked fine. Turned it on again tonight and the boiler fires up but all the radiators are stone cold! Any advice on what it could be? The pump in the airing cupboard is pumping
  13. S

    Trouble with bleeding very old radiators in rented accommodatio

    Hi everyone, I am looking to bleed the radiators in my rented flat as winter is now starting to kick in and want things to work as efficiently as possible. Some advice says use a flat head screwdriver but there is not a groove in them to be able to use one. So I bought a radiator bleed key...
  14. JoeBilton

    Cold radiators balancing

    Our upstairs radiators were getting much hotter much quicker than down stairs. To try and balance I altered some of the lock values on the upstairs rads (not fully closed though) this seemed to work and the downstairs rads were much hotter however one of the upstairs rads was now totally cold...
  15. J

    Bleeding Radiators Boiler State

    Hi all, Should the boiler be turned off or can remain on when bleeding radiators? I am aware heating should be off and radiators cool. However most big names i.e. SSE/E. ON/Viessmann etc. do not mention the boiler state itself (on/off). A few smaller independent websites mention to turn the...
    • John Scv
    • Thread
    • boiler radiators
    • Replies: 1
    • Forum: Boilers
  16. d36csr

    Installing smart TRVs on ALL radiators with use of a bypass valve

    Hi there, I recently bought a bunch of Drayton Wiser Smart TRV heads. I wanted to install them on all of my radiators so that I have full control of which radiators are on. However, it specifies in the instructions that one of the radiators should be left with 2 x open lockshield valves. Now...
  17. F

    Why can't I get Upstairs radiators to work independently

    Hi, wonder if anyone can give some advice. Recently moved into a new property. It has external OIL combi boiler which is new and works well. Downstairs has underfloor heating - which works well. Upstairs has wall radiators - which work well - but ONLY if the downstairs thermometer is calling for...
  18. M

    Hot water and Radiators

    Hi experts - a basic DIY’er here so forgive any naivety! I have a large house in with a vented pressurised gas central heating / hot water system with a 300l storage tank and 28 radiators. I think I understand that the same cylinder services both the hot water and the radiators. All works...
  19. D

    Radiators hot upstairs and cold downstairs

    I've a pressurised CH system with a combination vented cylinder. I live in a two story house with 4 radiators upstairs and 4 downstairs. I recently had the CH pressurised and the cylinder also was replaced. The problems is that the radiators upstairs are getting nice hot but the ones downstairs...
  20. B

    All radiators are getting hot when we've only got HW on.

    We've been the house for just over 2 years. We've only just got around to figuring out this 'Y' plan system as we've never had one before. We've been using the immersion tank for hot water (using the electrical backup ££££) since we moved in, but with costs rising, I need to figure out where the...
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