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combi

  1. 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...
  2. 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...
  3. 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...
  4. 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...
  5. 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
  6. 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
  7. 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
  8. 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...
  9. C

    conversion to hive heating on combi boiler

    hi,i need slight help with adding hive system.
  10. 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...
  11. 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...
  12. D

    Water Hammer following Combi boiler installation

    Worcester Bosch Greenstar i combi installed. Since installation water hammer happens when hot taps are turned off, but only when the heating is on. Have you experienced the sam?
  13. D

    Combi boiler noise when running

    I have a Worcester combi boiler . About 8 yrs old . It has started making this strange noise. Any ideas
  14. A

    Convert from solid fuel to LPG with combi boiler

    Hi all, I've just moved into a new house, it current has a solid fuel burner (kiln dried logs and / or smokeless coal nuggets) that is used for heating the radiators and providing hot water. It's my father-in-laws house that we've moved into and he's told me it's "the best" way to heat the...
    • Alex Goldie
    • Thread
    • boiler combi combi boiler
    • Replies: 2
    • Forum: Boiler Advice Forum
  15. S

    Unable to top up pressure on Alpha CD35C Combi Boiler

    The central heating circuit is slightly low on pressure so I tried to top it up with the built in filling loop. Nothing happens. No mains water gets pushed into the heating return pipe. I disconnected the filling loop on the heating side to test the double-check valve, and mains water comes...
    • Steve Shad
    • Thread
    • alpha boiler combi combi boiler pressure
    • Replies: 4
    • Forum: Boiler Advice Forum
  16. O

    Bigger size Combi Boiler or Megaflow System?

    Hi All, Firstly Happy New Year to everyone! New to the forum and was after some advice please. I am having renovation work done to my property starting next week. As part of the renovation work I am having two additional bedrooms in the loft (dormer). The property currently is a 3 bedroom...
  17. I

    Main 30 Combi Eco Elite display temperature

    Hi, I have the above boiler and had a user question about the display temperature on the front of the boiler. I can't seem to find the answer in any manuals. I wanted to know what the temperature that is displayed relates to ie the boiler temperature or the water temperature. Reason for...
  18. J

    Hot water from Worcester Bosch Greenstar30i combi

    I have a newly installed Worcester Bosch greenstar 30i combi boiler. When i have the downstairs hot tap fully open, the upstairs hot water bath tap has very little flow. Is this a boiler problem, or is it down to the water pipe configuration, ie the downstairs tap is the easiest path for the hot...
  19. S

    Keston C36 Combi Errors

    hello good forums Keston C36 combi boiler constantly gives error code e11. (sometimes i see error code E03) From my own research, I found the following information. E03 Boiler overheat - check that any valves to the heating circuit have not been shut down, no air in the system and that the...
  20. Deputyder

    Connect Siemens RWB27Si Timeswitch wireless thermostat to baxi combi boiler.

    Hi, I just wanted to ask if the receiver of a wireless thermostat would use the current wiring I have to a external programmer? I have a Baxi platinum 28 boiler.

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