radiators | Page 4

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radiators

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  1. J

    Radiators top half hot & bottom half cold/warm---to do power flush?

    Hi all, I had my new boiler and 13 radiators installed in July last year, but since installed all the radiators always top half hot and bottom half cold or warm. I know that if radiators top half hot bottom half cold/warm, it indicates there's sludge in the system. But as the radiators were all...
  2. C

    Please help me work out why my radiators aren't heating

    Hello all, Like most people, I've gone to turn on my central heating after 6 months of it being off and, surprise surprise, it doesn't work. I'm trying to work out what is wrong with it myself, I enjoy the challenge and the learning process; if all fails, I can call a plumber. I have an Ideal...
  3. C

    Mixed one/two pipe? And adding new radiators

    Hi, We're in the process of a kitchen extension - old kitchen was a smaller extension which was demolished and building a new one. Trying to work out what's going on with the heating so we can add two new radiators, bigger one in new kitchen and a smaller one in utility and toilet. We're got a...
  4. thedoomguy6312

    SMART thermostats mixed underfloor radiators for ashp

    Hi all, Would value your input. I have recently replaced a boiler with an airsource heat pump. The heat pump feeds ground floor and 1st floor underfloor circuits as well as radiators on 1st floor and second floor. Rooms with underfloor have thermostats (but they are not smart). The radiators...
  5. B

    Mixed UFH and Radiators: Setting Return Flow Temperature control ?

    I have a system with 14 UFH Circuits on the ground floor and 21 Radiators upstairs. We primarily use the UFH plus a few Bathroom rads and then a Rads in very cold weather. I’ve always run the system with the Boiler operating based on - Target Flow Temp setting, but am wondering if anybody has...
  6. Jock Spanners

    Are designer, column type radiators bi-directional?

    Evening all, A customer has shown me some designer, flat column type radiators she wants me to fit. On the bottom they are marked 'in' and 'out' which I assume means flow and return. Does anyone know if it makes any difference which way the flow and return is connected? I don't imagine it does...
  7. urebaz78

    Using fire to heat radiators

    My current set up (images attached). I can heat my hot water tank (oldWood Fire.jpg) using the coal/wood fire , however how would I be able to use the fire to heat my radiators (7). I have recently moved into the house and I just cant see how its done. What would I need to buy to enable this...
  8. O

    Logic 24 - hot water only turns on radiators

    When I turn on water only on the logic 24 boiler the water heats up and so does the radiators. It’s a a single floor apartment with the boiler recently serviced and the safety valve and 12 litre vessel change. Using the hive heating system.
  9. L

    How do I fit Bosch thermostatic valves to old radiators .

    background: I have 15 radiators 20+ years old with no thermostatic valves and Bosch instructions depend on replacing the actuator part only of old thermostatic valves. Surely there is an option for new complete valve replacing? Tom
  10. I

    Electric Boiler or Rointe type stand alone radiators

    I am renovating a 2 bedroom flat that currently has no central heating and will rent out. Looking to the future I understand electric is best option but confused as to whether I should go with a combi boiler and hot water radiators or Rointe stand alone electric radiators? I cannot find an...
    • it0000
    • Thread
    • boiler electric radiators
    • Replies: 3
    • Forum: Boilers
  11. J

    Why are my radiators cold at the bottom?

    Our newly bought house doesnt have a filter on the combi and most of the radiators (microbore) dont heat up at the bottom which im putting down to sludge and other gunk i intend to fit a filter (not sure which 1 yet) and run some clearer through it (fernox f3 has been recommended) i am also...
  12. K

    Radiators won't heat up?

    We have a oil burner and recently got a back boiler stove plumber in. The pipes were already there for the stove but have been dormant for 8 years until I got the stove plumbed in. It created a massive air lock in the system. The radiators are ran on 2 loops (living area and bedrooms) I got the...
  13. J

    Major issues with New Boiler system and radiators

    Just had new Worcester Greenstar 8000 Lite Boiler and all radiators replaced. We upgraded to a combi Boiler. Had issues during and now after installation. Radiators are based over three floors with Four on the ground floor, Four on the First floor and three on the top floor. Issues...
    • jcblue1
    • Thread
    • boiler new boiler radiators system
    • Replies: 2
    • Forum: Boilers
  14. K

    What's the story - Kermi radiators?

    Hi all, I'm trying to find out if Kermi rads. are still being imported to the UK. Does anyone know? Asking them on their website was a total failure, so any info. would be much appreciated. Thanks!
  15. N

    Balancing radiators or not.

    Hi all. I have a Combi green star 30i gas boiler and Was installed by helplink a few years ago to my existing system which was installed by servo warm. I have had 2 new extra radiators installed bringing the total to 8. All the radiators except the one in the hall have trv valves. As far as I...
  16. J

    All new radiators top half hot ?

    Hi, I had whole house radiators installed (and new boiler and unvented cylinder system), totally 11 radiators+3 towel rails in the bathrooms. The 11 radiators were installed by the boiler engineer, the 3 towel rails were installed by bathroom fitter. The 3 towel rails all are evenly hot from...
  17. S

    Air in towel radiators

    Air keeps collecting in our upstairs bathroom towel radiator. Do we have a leak or what could be the cause please? We had a new system boiler and tank installed and all new pipework. The 3 towel radiators are on a separate system to the radiators in the other rooms. The tank is in the garage...
  18. B

    How many radiators off a 22mm flow

    Hi all I currently have 6 old radiators (downstairs) off what looks like 15mm pipework. It comes off the zone valve in 22mm and then goes under the suspended floor and is 15mm throughout. It takes forever to heat the rooms and as the radiators need replacing anyway I was looking to upgrade to...
  19. C

    3 Radiators Not Working

    Hello all, I'm hoping someone out there may be able to help as I'm gong around the bend trying to understand why only 3 radiators won't heat up! My story: Around September 2021, 2 of the 3 radiators were not working and since the cold weather was coming and since the boiler usually gets it's...
  20. Frankey

    Platic pipes near radiators

    Hi guys. I'm getting the radiators installed in my property now and I'm struggling between plastic and copper pipes to radiators. I've asked 2 plumbers and they said opposite opinions. The first one said only copper pipes is allowed into radiators, and the second plumber agreed to install...
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