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combi

  1. 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...
  2. C

    conversion to hive heating on combi boiler

    hi,i need slight help with adding hive system.
  3. 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
  4. 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
  5. 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?
    • Don Blowere
    • Thread
    • boiler combi combi boiler installation water
    • Replies: 4
    • Forum: Boilers
  6. 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
    • Derek st
    • Thread
    • boiler combi combi boiler noise running
    • Replies: 4
    • Forum: Boilers
  7. 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: Boilers
  8. 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: Boilers
  9. 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...
  10. 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...
  11. 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...
  12. 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...
  13. 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.
    • Deputyder
    • Thread
    • baxi boiler combi combi boiler thermostat
    • Replies: 11
    • Forum: Boilers
  14. C

    Combi or standard boiler

    Hi, we are looking to change boiler from standard to combi but from what we read we need to have good water pressure for combi boiler, we have checked water pressure in the whole house and it's different downstairs to upstairs so in the kitchen cold tap has water pressure if 13l/per minute but...
  15. D

    What does the internal bypass valve do in a Viessmann combi?

    Could someone please explain what is the function of the internal bypass valve in a Viessmann combi and how its settings MIN/MAX or malfunction somehow would affect operation of DHW and heating? Thanks in advance.
  16. O

    Combi boiler turning off when hot water is used while heating is on

    Hi all, We had a new combo boiler (Intergas eco RF) installed about six months ago. When we are using the central heating and then use hot water, the boiler turns off (error code 4 - ignite). The boiler is fine when using hot water when central heating is off, and central heating is fine until...
    • ottergoose
    • Thread
    • boiler combi combi boiler heating hot water water
    • Replies: 4
    • Forum: Boilers
  17. B

    Vacating flat. What to do with Combi boiler?

    Hi, I have an Ideal Logic Combi C30 boiler in my flat. https://www.boilerguide.co.uk/productinfo/ideal/logic-combi-c30-gas-boiler I am now vacating the flat, and so the boiler will not be used. How should i switch it off? Does it have a gas pilot flame in it that i must extinguish? Do you know...
  18. E

    Flange on combi cilinder

    Hello i have question about installing flange on combi cylinder , i could not find answer to this on google and all videos on youtube is about regular hot water cylinder . So i want to replace old pump witch stopped working in apartment with combi cilinder and the only question i have is do i...

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