not heating

  1. M

    Oil boiler not heating up

    Any one had this problem oil boiler is running as normal but no flame at burner it’s a green star 18/25 external oil boiler
  2. G

    Two radiators not heating up after bleeding. Flushing of system required?

    Hello there all mighty and knowledgeable central heating warriors! I have two radiators in my duplex flat which fail to heat up. One is a large vertical radiator in the living room, the other is a small ladder style radiator not too far away in a downstairs toilet so both on the same floor...
  3. R

    Glow worm not heating rads

    Hi chaps, hope you can help I have a Glow worm Ultracom 38cxi, HW is fine but CH is not working I turned it on last week and all went well but I struggled to turn it off so I just shut down everything, it appeared to be back to normal, all lights on, all controls OK, water heats ok, today I...
  4. R

    Problems with 2 x new rads not heating up.

    First off I am sparky so go gentle ;-), I have been involved with a garage conversion with a builder friend and we have added two small rads to the existing system in a garage sized room with a small wc. I have sought the assistance of a plumber friend who is coming to look on Tuesday but in...
  5. L

    CHS not heating house - HELP

    Hello, I am looking for advice and ideas. I moved into my house 2 years ago with a Valiant Eco Pro 28 combiner's boiler. The Radiators look pretty old and have recently just found out that the previous owner had installed the system himself. I had the boiler looked over and a NEST installed...
  6. Ryooo

    Help 2 radiators not heating up

    Hi there, just spent the best part of 3 days in only what I would describe as "a big hoose" domestic 60 kW boiler. The client wanted 2 radiators added, 1 radiator added in master bedroom and 1 added in bedroom 2 that was the son's nursery. Completed the works today. The existing system is mild...
  7. R

    New rads not heating- Boiler pump position?

    Hi I've just had a bit of work done in the house where we knocked down the wall between the kitchen and dining room. This wall had radiators either side. Two new radiators have been installed in the new open plan area. When the plumber came to fit the rads and balance the system he was unable to...
  8. D

    Two out of three radiators not heating up

    Hello — if anyone's got any ideas on this one, I'd be hugely grateful! Here are the details... I live in a small one-bed flat (on one level). Last year I had the water tanks and immersion boiler removed and replaced with a Vaillant EcoFIT combi boiler. The fitters rerouted the pipework as...
  9. O

    Oil Boiler not heating hot water after draining system.

    After emptying the water from the lowest drain valve in the house (Bottom of downstairs radiator) and refilling the system. The radiators warm up fine but the hot water tank doesnt. I have turned on the imersion heater and the hot water created runs out the taps fine but the boiler (Kerosene)...
  10. P

    Radiator in front room not heating up.

    Back in November 2018 radiator in living room was just say warm, all other radiators were very hot, 12 in total, i changed the radiator as i thought this was the problem, still no better. I had the boiler serviced recently and the engineer suggested it was sludge in the system. I have since...
  11. Zuber

    One radiator on system not heating up

    Hi All hoping you can help. I have a single radiator in my house that does not heat up and has me stumped. I previously closed off all other rads in the house to push the water to the non working radiator. Once in a while this heats up the pipe running to the radiator, but it's as if the...
  12. Z

    New radiator not heating up

    Hi My house has five newish upstairs radiators and I just had nine new downstairs radiators fitted. Most of these are slightly higher rated than before. Before I had five upstairs and seven downstairs. The two extra radiators are fairly large compared to the rest. When the heating is on, all...
  13. D

    Worcester Bosch 28i series 2 not heating radiators

    Hi, I have a microbore heating system with the above boiler, now 18 years old. recently, I had 3 radiators replaced and all worked fine for about 3 weeks. Now however most of radiators are only getting warm, some hardly at all. The pump is running and the whole system has been bled and topped up...
  14. G

    Some Radiators not heating

    Hi all. For the past week I have been experiencing a problem with my Central Heating. The boiler is firing ok and heating the majority of radiators in the house. However, 3 radiators have mainly been stone cold but not all the time - on some occasions they decide to work as normal and heat up...
  15. C

    end radiator not heating up

    Hi, the last radiator in the line has stopped heating up! All the others are nice and hot and the pipe is hot up to the inlet but the rad is cold.. any ideas please? I have a Worcester Greenstar 25Si/30Si combi.
  16. T

    One rad not heating?!?

    Afternoon all, I'm at a lose with a radiator problem that I'm hoping someone may be able to shed light on. I'm renovating a house and took all rads off early on for cleaning and painting. All got fitted back and worked bar one, after some fault diagnosis I sumized that the valve was not opening...
  17. M

    Power flushes / rads not heating up - HELP PLEASE!

    Hiya We recently moved into a 25 year old house and all the rads were working except for the kitchen one which was stone cold as was the pipework leading to it. We got a plumber in who fixed it but then our bathroom upstairs and small bedroom rads didn’t heat up. The plumber returned put some...
  18. S

    Megaflo not heating enough water

    Hi, I have a megaflo used for water (heating is electric), and for some reason I have found in the winter that there is not enough hot water, it only lasts for one shower. This doesn't happen in the summer for reason. Can anyone suggest some solutions, I have checked the temperature on the...
  19. E

    Drained 2 rads for decorating. Now replaced but not heating

    Evenin' I drained, removed and then replaced 2 large rads upstairs to decorate. And now they're only getting warm, and in patches, not evenly. The bottoms are almost cold, and some upper areas are actually quite hot. It's a conventional boiler, gravity fed system. I didn't touch anything in...
  20. H

    Towel Radiator not heating up

    Hi, I have a towel radiator that is causing me a bit of a headache. I worked fine until the heating came back on after the summer. The radiator never heated up after that. I've taken the floor boards up and found that the radiator has 2 feeds from the heating supply. Can't work out why its...
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