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rads

  1. C

    Back Boiler disconnected. Downstairs Rads luke warm

    Bought a 60 year old house which had a fire backboiler and an oil fired heating system. When I turned the oil on, the back boiler heated up and downstairs rads where only luke warm. I never intend to light the fire so I disconnected the back boiler. System got power flushed and a new pump...
    • creekchubpikie
    • Thread
    • back boiler boiler rads
    • Replies: 3
    • Forum: Boiler Advice Forum
  2. F

    single pipe system without bypass between rads

    Some old Builder giving it large today about sytems without a bypass between each rad and you cant take that rad off because it will stop the whole system and bla bla bla as its his job i gave him my 2 cents and he didnt want to know so shut my trap and left him to it i've never seen such a...
  3. A

    Rads heat-up at top only

    Help ! I had a new boiler and radiators put in 15 months ago. Thing is, the rads which are >1m wide all don't heat up at the bottom, only at the top and eventually get warmer at the bottom. The installation company put a 15mm pipework for the 3 > 1m wide rads whilst the 3 other shorter rads...
  4. N

    New Worcester 34cdi classic. Hot water ok, Flow hot, return cold, all rads cold

    Have new boiler installed. Central heating and hot water all working before replacement. Flush etc all carried out before replacement. Hot water heats perfectly but no radiators heat and no heat in flow to any radiator. Tried crossing flow and return but no joy. Doesn't seem to be a block in the...
    • Neilly
    • Thread
    • cold flow hot water rads return water worcester
    • Replies: 9
    • Forum: Bathroom Advice
  5. G

    Two rads, one supply - theory vs reality

    Morning all, New member here, so hi and thanks for taking the time to read this. I'm replacing an old undersized rad connected by 15mm copper to the 22mm flow/return on my system. I need to install 10k BTU/3kW but wall space means this will have to be in two rads, one at each side of the...
  6. M

    Rads cooler at the bottom

    Have a Worcester 30i with new rads bar 2, magna clean and descale fitter but bar 2 rads all others are hot at top but much cooler at the bottom. Any ideas what it could be? Google seems to suggest sludge or balancing rads and am erring towards latter as sludge would not be issue in the...
  7. H

    Best boiler to run 13 rads.

    Hi, I need to change my old combi central heating boiler and would like to know what Combi Boilers C.H fitters recommend. I have a four bed house with 13 radiators with an output of approx 22,000 watts ( 75,000 BTU's). I put my rad sizes into an online calculator and got these figures. I may...
  8. W

    Do white towel rads kick out more heat than chrome?

    Flomasta 1500 by 600 in white has 50% more heat output than the same in chrome. Never noticed this before.
  9. G

    Removing TRV's from double rads

    Hi, I recently replaced my boiler (combi) and all my rads. All the rads were fitted with a TRV except the heated towel rail in the bathroom. When I turned the heating on all the rads were heating up to very hot quite quickly, apart from the two doubles which only heated to warm and then...
  10. M

    20 rads

    Power flushed a one today, 20 rads, some are great, like the back of the house where its been re-piped, others on the old system not so great, warm, you can keep your hand on them, theirs 2 on the old system like that and the last one, the furthest one away is new, piped up in 8mm and again...
  11. A

    Downstairs rads cold and it's not the pump

    Hi everyone, Having a bit of a problem with my CH but have tested a few things now, wonder if anyone could narrow down the possible problems for me or suggest something else to try... Previously had no problems with the heating for years, and it had been on the time regularly for a good 2...
  12. E

    Bleed rads.

    Sorry if it's in the wrong section. All 8 rads in my new home need bleeding but a bleed key doesn't fit any of them. All the same looking and they don't look damaged. I can't seem to find anything other than a standard key, does any body have any ideas?
  13. M

    Cast Iron Rads - Fitting question

    Hi all, We'd like to take the plunge and replace our old rads with some 'reclaimed' ones from what used to be Coventry Demolition. However, I'm a bit unsure about how these chunky rads would fit with our existing pipework and I thought I'd ask here before deciding whether to place an order...
  14. J

    Worcester Bosch Danesmoor 15-19, rads not heating up

    This installation dates from 2006 and is in my parents house to heat 10-12 rads but not hot water which is done by the AGA. They have the boiler turned on all the time and use the temperature dial to turn it on and off. It has got the seven day timer, but that is beyond my parents usually. So...
  15. J

    CH off but rads are heating when hot water tap turned on

    My CH is off. Rads are stone cold then I turn on hot water tap and the rads start heating The water takes ages to heat through the tap yet the boiler is just the other side of the wall 40" further along This is a new boiler just installed this week Ideal Logic + 30w Also 3 rads at other end...
  16. W

    Rads not getting boiling

    Hi guys in need of some expert advice. Drained down system today to fit 2 x 1400 double rads after fitting them put tge heating on but all rads are getting warm but not really hot as they should. Boiler is a modena not sure which one though. On the boiler I've turned up the rads to full heat...
  17. P

    having problems removing rads with ancient valves

    Hi, So have just bought a house and trying to remove rads so I can remove wallpaper. Looked online and tried the turning valves clockwise on the rad, this didn't work so turned off valve next to hot water tank. and took off the first rad which had valves at either end. However I am having...
  18. jaydebruyne

    Rads on plasterboard walls

    How's best to fit them on plasterboard walls? No studs found. Underneath a window. Double panel. 1600 x 300
  19. E

    Rads warming up when only HW on????

    Hi, first post so be nice please ;) I have recently had a Worcester 30cdi fitted with a 300l Joule cylinder. We have a Salus internet thermostat fitted and all seems to be working well. With the exception that a couple of the downstairs rads get warm when the hot water is on. The heating has...
  20. jaydebruyne

    Vertical rads

    I've never fitted a vertical rad yet but will be doing so on Saturday. . I've done a little research and know it's important to pipe up the flow on the correct side of the rad so it flows through the entire rad and not just the outside. My question is this: Say the flow is on the left, can...

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