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system

  1. D

    Noise from centre heating system

    There is a noise, like a buzz that starts randomly but usually in the early morning. I can't seem to pin it down to one location. I have managed to record the noise and there is a link to YouTube if I'm able to post that? My heating and hot water are both on a gas central heating system, but...
  2. A

    Understanding gas central heating system

    Hello everyone, We have recently moved to the UK, so really don't know much about gas central heating and boilers over here etc. So this is probably a very basic question but I just don't know! We are moving to a house later this month. It has a "wall-mounted gas-fired boiler for domestic hot...
  3. Desktop987456

    Pipework advice - Central Heating System

    I have a 320 sqft double storey house with 6 bedrooms. The house is serviced by two heat only boilers (non condensing); a 120k btu (35kw) and a 70k btu (20kw). Both Boilers are installed at ground floor (120k at front and 70k at the back). Front boiler serving front downstairs and upstairs rooms...
  4. D

    What is wrong with my system

    Hi Sorry I can't find my original first post which stated the problem I had with a plumber. To update you all he finally admitted fault and came out last week to rectify the pipe work problem. Im now left with another issue.. Sigh! He's probably messed up my motorised valve that feeds the...
  5. Fatboyslick

    Repeated air/hydrogen forming in closed heating system?

    Would love some advice please: I had 4 radiators replaced in September as part of a kitchen refit. This included new copper piperwork behind the walls where the Rads are placed. The system wasn’t flushed or anything, just installed and the plumber left. A few weeks later we noticed that our...
  6. jklondon

    Strong vibration foghorn sounds in system

    When we turn on the water first thing in the morning of after a while of non use there is vibration sound that can be heard to different degrees across the house. Its not instant but normally after a minute when the water has been turned off. It doesn't seem to be isolated to a particular...
  7. R

    Undersized System Boiler???

    So I posted a while back regarding my 300ltr unvented cylinder not seeming to keep any volume of water hot for very long. Could it be the system boiler is not powerful enough? I have approx 220m2 of underfloor heating and the hot water cylinder’s . Does anyone know if Worcester Bosch Greenstar...
  8. C

    Is a leak sealer ever a suitable solution for a new system?

    I assume the answer is no, but if this fixes the issue I know it will be what my builders sub contractor plumber will do. Therefore, before he is allowed near the system I would like to either find the issue or eleimnate parts of the system that do nto have an issue. As you will note from my...
  9. G

    Ideal Logic+ System cycling when no HW or C/H demand

    Hi. I have an issue with my Ideal Logic+ System S24 boiler which I hope someone can help with. Below is as much detail as I can think of. The boiler has been running constantly (cycling?) 24/7 for the last few days, during the recent very cold snap and since. HW and C/H are running fine, as per...
  10. nigel52

    Underfloor wet system design query

    I have a OMNIE designed wet underfloor heating system on three floors. Ground and 2nd floors work well with those two floors having a single manifold and recirculating pump for the various zones. On the 1st floor the rooms are split over two manifolds each with its own recirculating pump...
  11. F

    Feed and expansion tank/cistern and few general system questions.

    Hi, I've got a leak coming from the loft into a bedroom which I think is caused by water overflow from feed and expansion cistern (see attached one of the photos when I found out the cistern overflowing above the overflow pipe) and one other pipe that has a small drops coming out of it that is...
  12. C

    Combi boiler into existing wood burner system

    My parents house has a wood burning stove that is also connected to the central heating ( they have radiators and used to have an old boiler which they took out and replaced with the wood burner ) so the wood burner can also heat water which can then be pumped round the rads and works fine when...
    • Christopher644
    • Thread
    • boiler burner combi combi boiler system
    • Replies: 3
    • Forum: Boiler Advice Forum
  13. L

    we have an ambirad heating system in our place of work

    we have an ambirad heating system in our place of work. one works perfectly. if you set it to above room temperature it comes on and works fine. the other is as if it's in reverse. you have to set it to below room temperature for it to come on. which as you can guess is pointless. can anyone...
  14. Fogster74

    Working on heating side of system with an unvented cylinder, no G3?

    Hi all, I'm a competent DIYer with an engineering background and am active in Heritage Buildings. I never touch anything I'm not allowed to albeit I've worked on the wet side of my own heating on the central heating circuit before when I had a combi - balancing rads, add a Fernox TF1, washing...
  15. M

    Recommended pressure bar to re pressurise system?

    Hi, I have a new boiler Ideal "Heat only" 24kw with a new Indirect unvented hot water cylinder and two expansion tanks. The plumber who fitted the system a few months ago told me how to re pressurise the system by opening two valve taps to introduce mains fed cold water to the system and...
  16. D

    Balancing heating system, does it cost more?

    New to the site and looking for help. Recently, I decided to balance my heating system as some radiators where barely getting warm compared to others and after checking they didn't need bleeding, this seemed like the next step. I have balanced the system and all the radiators get hot at...
  17. Jonnyh88

    Help with setting Grundfos pumps.Single Pipe CH heating system.

    I'm trying to get to grips with a system I have inherited as a new home owner. I know that single pipe systems are crap and should be replaced, but that's not an option right now so I have to make sure what I do have is set up correctly. My bills are astronomical - £6-700 a month right now, and...
  18. Husk24

    Most efficient setting for my logic s30 system boiler?

    Hi I have a Ideal Logic S30 System Boiler, and I have always left it on eco setting which is 70 degrees. I have a separate thermostat for my water tank set at 65. I don’t understand the condensing part of the boiler but I believe there is the most efficient settings you can have for this...
  19. 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...
    • Garzie
    • Thread
    • central central heating heating heating system noisy system water
    • Replies: 31
    • Forum: Central Heating Forum
  20. V

    Two pumps on heating system. Imbalance?

    Hello, I wonder is I could ask for some advice please. I have just replaced and only gravity fed boiler with a new Baxi heat only boiler. The system is two pipe and has 17 rads in a long old house. The system is 22mm copper except the last 5 rads which are 15mm. (I know this should be no more...

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