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combi boiler

  1. N

    Hot water on constantly vaillant ecotech 30 combi boiler

    I notice last night my boiler cupboard was really hot from the hot water pipe, but my husband had just had a shower. This morning it was still hot when we first got up and we noticed the tap symbol was flashing. This is supposed to flash when using the hot water. We've tried turning off...
    • Nuts&Bolts
    • Thread
    • boiler combi combi boiler hot water vaillant water
    • Replies: 1
    • Forum: Boiler Advice Forum
  2. S

    Combi boiler over flow pipe?

    I have a end terraced house. Boiler attached to concrete wall on the end of the terrace. There’s a copper pipe curved into the wall with maybe a 1-2cm gap. The water sometimes leaks onto the wall and I’m worried about the damage it might cause. The kitchen drains are on the other side so would...
    • Sm1990
    • Thread
    • boiler combi combi boiler flow pipe
    • Replies: 3
    • Forum: Boiler Advice Forum
  3. G

    Replace leaking hot water cylinder or change to combi boiler?

    Hi, In my 2 bedroom flat I have a Worcester Greenstar 24i boiler and a 200 litre Zip AquaFlow hot water cylinder. The hot water cylinder has started to slowly leak from the bottom and I think it will need completely replaced - quote to replace is around £1000. Given that this is only a 2...
    • gmacdon76
    • Thread
    • boiler combi combi boiler cylinder hot water leaking replace water water cylinder
    • Replies: 2
    • Forum: Boiler Advice Forum
  4. P

    Programming instructions for obsolete combi boiler timer

    Just moved into the house, previous occupant has lost boiler timer instructions. It's a Worcester Bosch 28Cdi combi boiler, with electronic timer number 77161920030. This timer is obsolete, can't find any instructions online, Worcester Bosch have not replied to repeated emails. There are many...
    • PeteExeter
    • Thread
    • boiler combi combi boiler
    • Replies: 1
    • Forum: Boiler Advice Forum
  5. J

    Advice combi boiler plumber says can't fix expansion vessel/access it?

    Hi there, I was wondering if anyone could advise if I should get a different plumber for a 2nd opinion. Basically, my combi boiler is in my attic. It is overpressurised at the moment and the overflow pipe always drips. I had a plumber round, he seemed good and honest and knew the neighbour so...
  6. N

    Combi boiler loosing pressure fast

    Hi all, back again with yet another question about my grant vortex combi boiler 😩 Sorted all previous problems and was running sweet until recently… now it’s loosing pressure really quick, from 1.5 bar down to 0 in a couple of hours (even when on standby neither hot water or central heating...
  7. C

    Removing cylinder and installing combi boiler. Pipe work query

    I have a question regarding combi boiler installation. I’ve just completed an attic bathroom where the previous plumber had put in the first fix of qualpex down to the airing cupboard which is standard practice. I’ve come a later stage to finish the bathroom but I now find that in the airiing...
  8. C

    Expansion vessel for potable water for a combi boiler

    Hi,a customer of mine has a combi boiler and they don't have an expansion vessel for the potable hot water supply. I know there's an expansion vessel for the closed-loop central heating circuit but I doubt the combi boiler has one for the potable water. I was thinking to put one in the airing...
  9. G

    Is this combi boiler installation within safety regulations?

    I am unsure what are the regulations as to how close the pipework coming out of the bottom of my combi boiler can be to the electrical fuse spur? Also, how close can the magna flow be to the electric cable? At present water drips from the pipes coming out of the bottom of the combi boiler onto...
  10. 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...
  11. 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
  12. 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...
  13. 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...
  14. 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: Boiler Advice Forum
  15. 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...
  16. 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...
  17. 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...
  18. 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
  19. C

    conversion to hive heating on combi boiler

    hi,i need slight help with adding hive system.
  20. 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...

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