heating | Page 3

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heating

Recent contents View information Top users
  1. F

    Vertical Radiator Makes A Bang When Heating Up & Cooling Down

    Hello, I have a customer with a modern anthracite vertical radiator and a modern TRV and lockshield. The radiator makes a loud metallic bang from within the radiator, when it heats up and cools down. I have opened the lockshield fully, lowered the boiler pressure from 2.5 bar to just over 1...
  2. S

    Where is the hidden central heating pipe leak causing low pressure?

    I have been facing central heating low pressure on unvented hot water RM Cylinders but can't see any leak on the PRV, expansion vessels and plasterboard celling. I have got unvented pressurized RM Cylinders hot water system with 27KW Worchester gas boiler with expansion vessels . When...
  3. H

    can this be done in a pressurised heating system

    Hi all , on a pressurised heating system is it ok to take a flow and return up into the loft and down again to install new radiator also would it be prudent to put AAV at the high point , thanx in advance . Howy
  4. mattgriff88

    Flushing/Cleaning central heating system?

    Hi I have recently bought a house which is 17 years old. There was a small leak from one of the radiators So I took the pipe off and drained the radiator and the water was black/brown. I took the radiator off and flushed it out with a hose pipe out the garden but it's got me thinking and I...
  5. B

    Central Heating T up & downstairs, valve to restrict upstairs?

    Hi, I have 3 port value for HW & CH. Loft extension added many years ago so they added a T to go upstairs, only 2 rads up but 11 downstairs covering at leave twice the floor area As per diagram has free flow Up or Down, no way to balance. Works pretty well but last few Rads (in kitchen) are...
  6. M

    Hot water demand effect on central heating for Combi boiler

    Hello, We’ve recently moved into a fairly old, fairly big detached house (i.e. fairly draughty, but not too bad by any means) with a fairly new well maintained Worcester combi boiler. We weren’t convinced the heating was working right and then got hit with a £610 energy bill for the first 6...
    • MartinPod81
    • Thread
    • boiler central central heating combi combi boiler heating hot water water
    • Replies: 0
    • Forum: Boilers
  7. K

    hot water but no heating

    We have a dual heating system, a solid fuel stove with back boiler and a external kerosene heater. The kerosene heater is working fine heating the radiators and the water for the taps The solid fuel stove will heat the water for the taps but the radiators will only get luke warm. Can anyone...
    • Kenneth1
    • Thread
    • heating hot water water
    • Replies: 1
    • Forum: UK Plumbers Forums
  8. seweller51

    Vertical radiator not heating up

    Hi all. Could someone help with a issue I have been having with my vertical radiator. I have one vertical radiator in my bungalow and it does not heat up unless the surrounding radiators are shut off. I have tried turning the surrounding radiators down but the have to be completely or very...
  9. M

    Baxi boiler pressure drops after heating

    Hi, we have a back combi heater. Whenever the heating comes on it seems to lose pressure within a few hours and I have to refill each morning. The boiler seems to function well, and the pressure only drops with the heating and not the water being on. Ie it started last winter and was then...
    • Martin Pearce
    • Thread
    • baxi boiler heating pressure
    • Replies: 1
    • Forum: Boilers
  10. H

    Vaillant ecotex 831 - heating only working in service mode

    Wishing everyone on tgmhis forum a very happy Christmas!! I am working on a combi boiler which has problem with heating only. Water is heating normally. Here are the symptoms 1. Signal from thermostat is not firing the boiler. It does not make any sound when heating is on from thermostat. 2...
  11. J

    Banging noises in central heating - Help!!!

    Desperate for some help! Be a life saver of someone can help as suffer from a high intolerance to noise. Moved into new house 1940s (copper pipes) and having serious issues with banging pipes only when central heating is on. Not when running taps We have a wall in living room that has stop tap...
  12. mehmet

    Combi underfloor heating and external boiler connection?

    Hello, I have a gas boiler in my apartment that heats a net area of 300 m2 with an underfloor heating system. The boiler has a capacity of 45 kW. There's no issue with the heating system, but I want to increase the hot water capacity. I plan to connect an external 200-liter boiler. How can I...
    • mehmet
    • Thread
    • boiler combi connection heating underfloor underfloor heating
    • Replies: 3
    • Forum: Boilers
  13. B

    Radiators not heating.

    Hi. I hope some one can help. I have a condensing oil burner and it runs fine but the radiators don't heat. Heats the hot water fine. The pump runs and the thermostat turns the boiler on and off. Thinking it could be a thermistor. All help greatly appreciated.
  14. Dan

    My Central Heating Doesn't Work - Master Thread

    I thought I'd create a master thread to move all of these similar threads into, over time like. If your central heating doesn't work boiler doesn't work radiators not working radiators or heating system is cold thermostat wont work or respond Then post a reply in this thread. Rather than us...
  15. A

    14,15mm pipe for central heating

    Hi guys. A couple of things. 1 am I better fabricating bends in 14 mm copper for my ch or are 90 degree elbows fine, ref flow, friction ect. 2 my ch boiler, non condensing is playing up, I can get hot water, but when heating is on pipes only get hot for 1st mtre or so? I can hear feel the...
  16. M

    Vertical radiator not heating up fully

    I am after an advice, please. We have a vertical radiator from Reina, Evie, that heats up only 2nd column fully, 1,3 and 4 are lukewarm. I borrowed a thermal camera and attached is the thermal image. System is balanced, there doesn't seem to be air coming out of the bleeding valve and was...
  17. M

    Combi boiler hot water but no heating

    My first thought when I heard this fault a combi boiler with hot water but no heating. Was a problem with the stat, controls not making the call for heat. If this is not the case. Can the divertor valve be the cause of the issue?
    • Matt0029
    • Thread
    • boiler combi combi boiler heating hot water water
    • Replies: 0
    • Forum: Boilers
  18. L

    Heating water from hot tap

    Hi all, just moved a radiator from one wall to another, straight forward job, heating is working, problem is that on turning on a hot water tap the water coming out is heating water ( Fernox smell)and the boiler pressure drops quite quickly. Baxi Platinum 28HE. Any help or ideas please
  19. paulusgg

    Low loss header in a central heating system

  20. M

    Issues with microbore heating

    Hi everyone. I'm currently working on a job for a customer. their radiators are not all heating up. in total there is 12 radiators. 4 of these are on 15mm pipework, the rest are on 10mm. its powered by a Grundfos ups3 pump. the boiler is an 18kw heat only boiler. There are two radiators mainly...
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