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  1. J

    Towel heaters not getting hot in small pipe system

    I have just moved into a late 1990s new-build house with a small bore (about 1/2" OD pipes) gas fired boiler central heating system. All the normal radiators get hot but two of the three towel heater/radiators don't get hot and the pipes feeding them are cool to the touch even after the boiler...
  2. Mark Wright

    Shower not getting hot

    Hi, I'm a fairly regular on the electricians forum but know nothing! about plumbing. Basically all other taps get hot but the shower is luke warm. It's not mine but belongs to a little old lady. She had it replaced lately and I don't have the heart to tell her its not fixed. It's a bar-type...
  3. K

    Two radiators not getting hot

    Hi, I have a sealed system with 18 Rads/towel rads which is run by a greenstar boiler with a sealed hot water tank. I'm using a tado thermostat and the Pump is a 15/50 Groundfos. The issue is there are two radiators that are cold. So I closed down every radiator except for these two, apart...
  4. V

    Underfloor heating not getting hot enough

    My daughter has just had a new boiler, her system is radiators to upper floors and underfloor to all of ground floor. Despite the valve serving the underfloor being turned up to a high temperature and the pipe leading to the pump being very hot the flow and return pipes on the manifold are only...
  5. M

    Baxi Boiler - Water Not Getting Hot 1st thing in morning

    Our Baxi boiler works fine most of the time but the last few days it does not heat the water first thing in the morning and occasionally later on in the day too. It still works most of the time, e.g. for baths. The pressure is fine even when the water isn't heating. I've had a look online and...
  6. R

    URGENT My bathroom underfloor heating is not working

    My bathroom underfloor heating is not working. It does work in the other rooms except bathroom. What could be reason ? I completely closed bathroom thermostat and re opened it still doesn’t respond.
  7. H

    Shower Not Getting Hot (gets warm, but unlike the taps in the room)

    Ive troubleshooted it being the anti scold needs adjusting, however I have taken everything off the faucet to as much as I can. I have no idea how I get past where ive got to, any ideas?
  8. G

    Help! - Noisy central heating system – not heating water well ……

    Hello ! I have recently moved into a new house – or rather a 1960s built house. The central heating system looks to be around 10-12 years old Its conventional mains gas boiler central heating system (not a combi) the boiler is an “Ideal logic 18” – with hot water tank in an upstairs airing...
  9. E

    UFH not getting hot on vented system

    Hi folks, I’m in need of some sound advice. We have recently had a ground floor extension and have had underfloor heating (company: JK UFH) installed throughout most of the downstairs. We have a few rads still left downstairs and the entire upstairs is still heated through rads. We have a...
  10. P

    Water not getting hot

    Hi, I have an issue with a gravity fed system. We changed the bath taps yesterday, drained the system as the gate valve was seized , renewed the gate valve feeding the cylinder, water comes out the taps at good pressure but does not get hot. We turned the immersion on and this heats up the...
  11. W

    One radiator not getting hot

    Hi all, I have fitted 5 new radiators downstairs on a gravity fed central heating system recently and one of the new radiators just wasn't getting hot. I turned off all the valves on the upstairs radiators in the hope that this would force the flow of water into the radiator that wasn't...
  12. N

    Issue with 1 rad not getting hot

    Hi all, I moved into a 3 bed detached property June 2018, turned the heating on in the October and found the living room rad didnt come on. The system is not a combi boiler, i have an emersion heater upstairs, it does have a magnetic filter next to the boiler. I drained some water out of the...
  13. M

    New Rad not getting hot, single pipe CH system (partial)

    Hello, i've posted on here as it seems there are a few single pipe experts. I've installed a big column rad with normal valves (no TRV) on a single pipe system, i have done this in 2 other rooms with good success and continue to get very hot. The rest of the house is on a 2 pipe system and...
  14. P

    One radiator not getting hot

    Ive got one radiator that wasnt getting hot so i removed and flushed through to ensure no 'sludge' creating a blockage. Removed the TRV and replaced. After putting back on and bleading the radiator gets hot but after 2 days its stops getting hot. Turned all other radiators off and still...
  15. D

    Boiler not getting hot enough

    We moved into our current home in June. The heating is supplied by a 10 year old WB Greenstar CDi 37kkW combi boiler. I had the boiler checked by a local GSR engineer who has serviced my son's boiler for many years. He said it was working correctly. So far it has worked OK, getting the house up...
  16. F

    1 radiator not getting as hot as the others

    i live in a 3 bed small terraced house. we have 3 radiators upstairs and 2 down stairs. they all get to the same temp apart from the one in the lounge.all radiators are hot [ i have bled all several times] , the one in question is i think farthest from central heating pump [which is upstairs in...
  17. P

    Column radiator not getting hot

    I’m after some advice, I’ve a combi boiler heating up 8 radiators and I’ve replaced one with a large column radiator, it’s being fed buy 10mm microbore, it gets warm but doesn’t get as hot as the feed pipes, the radiator heats up fine, no cold spots, all the rest of the radiators in the house...
  18. A

    Following BG powerflush rads still not getting hot.

    Elderly customer with a 10 rad system. Last 2 rads on system (downstairs) were not getting hot at all. Has contract with BG, they came round, turned off some rads upstairs and downstairs all got hot but said needs powerflush and new pump. Powerflush carried out then rads were worse. Most not...
  19. J

    Water not getting hot enough

    Hi there, I seem to be having an issue regarding the temperature of the water in our taps throughout the house. It seems that although we have the water temp set to high, tap water and bath/shower water does not seem to be getting very hot. The temperature is high enough to live with, but for...
  20. A

    Radiators not getting hot

    Hi After search on net have come to this site and hoping maybe someone can help me . I have ecotec pro 28 boiler installed and still under warranty .it is fitted with salus rf500 wireless thermostat. Previously salus Thermostat was set on lowest setting 5c so when heating was required will just...
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