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combi

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  1. M

    Single pipe system new combi boiler

    Hi everyone. I’m a homeowner, in essence when we moved in we weren’t aware that our house was a single pipe system we have now found out after the water cylinder has packed in and developed a leak. We have had a Heating engineer round who has advised us to fit a combi boiler doing away with the...
    • Matti5041
    • Thread
    • boiler combi combi boiler pipe system
    • Replies: 5
    • Forum: Boilers
  2. A

    Do you have balance hot and cold water pressure with a combi boiler?

    So getting a digital shower and it says the hot and cold water should be balanced. Am I right in thinking they should already be balanced with the hot taking on the cold pressure entering the boiler or am I way off? Cheers
    • AcidOverride
    • Thread
    • boiler cold combi combi boiler pressure water
    • Replies: 1
    • Forum: Boilers
  3. C

    Replacing boiler for combi how shower will connect

    We have a traditional hot water tank with pumps in loft , the hot water I assume goes up into the loft from the hot water tank and the pumps pump it out at a decent rate. If we go for a combi how would this work as feb hot water would come from the boiler?
    • Ch1981
    • Thread
    • boiler combi replacing shower
    • Replies: 6
    • Forum: Boilers
  4. M

    Central heating issue on Logic Combi ESP1 35

    Hi, I noticed the pressure this morning on my boiler was just below 1bar so I went to top it up, opened the loop and it just managed to hit over 1bar then just stopped increasing. Now the central heating looks like its on but all the radiators are luke warm even when temperature is 70 degrees...
  5. M

    Advice on electric combi

    Hi , can someone give me good advice on what electric combi boiler to buy , I have 7 large radiators one in each room , I'm after good all rounder , price and kw use , , thank you
  6. J

    Combi OUT -> HIU IN - Pros/Cons

    Hi all, appreciate experts feedback in advance! Currently have Combi in my flat for hot water and heating (water UFH). Thinking to change combi with HIU, what are the main pros /cons?
  7. M

    Baxi Combi Boiler (Duo Tec) - water not heating

    Hi all I’m having a problem with my Baxi combi boiler and wondering if anyone is able to help. In short, the water isn't heating. A few months ago (c.2 months) my Baxi combi boiler had an issue where the hot water would go hot and cold on a regular cycle; it would get hot, then cool down, then...
    • mtaylor39
    • Thread
    • baxi boiler combi combi boiler heating water
    • Replies: 2
    • Forum: Boilers
  8. T

    Combi boiler flame loss during current windy weather

    Hi, I have an ideal logic plus combi boiler that has been working fine for all of winter. With the recent storms when the wind speed starts getting up the boiler keeps cutting out with a "Flame loss" error. It'll reignite first time no problem and then continue until a large wind gust then...
  9. D

    Nest connections to electric combi boiler.

    Hi, I moved into a house with a Trianco Maxi Aztec wet electric combi boiler. The system is too expensive for us to run, so we are removing in 3/4 weeks. Aside from being too expensive, it is not running correctly... We have to call for hot water about 25 minutes prior to use (this is not a...
    • Dan'll Try It
    • Thread
    • boiler combi combi boiler electric
    • Replies: 1
    • Forum: Boilers
  10. Pgor68

    Combi boiler pressure at 3bar

    Hi all. I have recently drained system, removed all rads and manually flushed them all. Filled system back up, bled all rads and repressurised the system to between 1 and 1.5 bar. The system was off all night waiting for the timer to kick in and when I checked in the morning, before it came on...
    • Pgor68
    • Thread
    • boiler combi combi boiler pressure
    • Replies: 2
    • Forum: Boilers
  11. S

    Main Combi 30 Eco Elitie Temperature Issues

    Hi Guys, Just changed a sink tap for customer and when turned the hot water on the boiler temp rose to 90 within few seconds and burner cut out, temp came down to 78 and the boiler then fired up again and keeps cycling like this. Customer said this has been happening for a few months now, I...
  12. F

    Your opinion on this combi boiler installation

    Hello. We recently had a combi boiler installed to swap out old plumbing sustem with water tank and gas cylinder. You can see end results in the photos. I would like to ask for your opinion on how well this has been done as I was originally promised only two little pipes coming down from the...
    • Francesca
    • Thread
    • boiler combi combi boiler installation
    • Replies: 8
    • Forum: Boilers
  13. A

    Combi boiler pressure

    Hi I suspect I have a leak in my central heating system. Have to refill it every 3 months when the pressure drops below the operating level. Replaced prv and pressure vessel as that was faulty but still having the same problems. More than will to pay someone to come round . I’m in Orpington Kent...
    • Alan ward
    • Thread
    • boiler combi combi boiler pressure
    • Replies: 31
    • Forum: Boilers
  14. B

    Combi vs tank - which should I go for?

    Hi all Currently have an open vent system with a 140L tank. This all needs renewing and wondering whether it was worth changing over to a high flow combi instead or to replace with an unvented cyclinder. Currently only have 1 bathroom, but looking to add an ensuite at some point as well. Thanks
  15. R

    combi boiler pressure bouncing only when hot water is being used

    Combi boiler pressure bouncing only when hot water is being used , could this be the diverter valve diaphragm..... cheers Rob
    • robqqq
    • Thread
    • boiler combi combi boiler hot water pressure water
    • Replies: 7
    • Forum: Boilers
  16. B

    Warmflow combi water pressure problem

    Hi i wonder if anybody can help ? I drained down my warmflow boiler for a new rad , now its needs 3 bar pressure to trigging boiler back into life but my mains is only 2.5 ! Any ideas
  17. Strebor

    What could be causing bubbles in heating after newly installed combi?

    This is a weird one, for sure... I had an old Vaillant combi replaced by a new Worcester Greenstar 4000 by Boxt. It was as simple a job as you can imagine - direct replacement... my house is a simple 2 up 2 down semi - nothing remotely complicated. However for the last two months since it was...
  18. C

    conversion to hive heating on combi boiler

    hi,i need slight help with adding hive system.
  19. S

    Grant Oil Combi Boiler Hot Water Efficiency

    Hi, We have just had a grant oil combi boiler installed and we have two options to heat our hot water; we can have the water on continuously which will keep the very small water reserve in the boiler at a certain temperature. Or we can have the hot water off and then just boost it when we...
    • Sara Lowt
    • Thread
    • boiler combi combi boiler hot water water
    • Replies: 1
    • Forum: Boilers
  20. cjaneway69

    Can my Ariston Combi boiler be fixed?

    Hi all! I'm hoping someone or many of you, can give me some advice please. We have an Ariston Combi Boiler installed in 2004 (I found the invoice! I had thought it older, but apparently not!!). We've been having issues with it for some time now, years in fact, but it's always started working...
    • cjaneway69
    • Thread
    • ariston boiler combi combi boiler
    • Replies: 6
    • Forum: Boilers
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