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combi

  1. WaterWorks420

    Ideal Logic Combi ES38 No control

    Hello, I have a Logic Combi ES38 Boiler and for some reason, it's ignoring the commands from the thermostats on the wall, for example, both thermostats are set to off but yet the boiler is still on, I've tried the following: I've turned it to just water and not radiators no effect. Changed the...
  2. J

    URGENT Ignition issue Main Eco 30 Combi boiler

    Hi All, I have a Main Eco 30 Combi boiler I was fitted about 7 years ago, the whole pipe work is new and radiators. I have so far replaced the electrodes since it was old and bent (it was working but I wanted to avoid it failing), the heat exchanger was hoovered and the seal was replaced, the...
  3. J

    Ignition delayed/explosive Main Combi

    Hi All, I have a Main Eco 30 Combi boiler I was fitted about 7 years ago, the whole pipe work is new and radiators. There is one thing that annoys me on my boiler is that when ever is ignites it makes a small tiny explosive noise you can hear it from far 😫 I have so far replaced the...
  4. R

    Ideal combi pre-heater not working

    Been out the trade now for sometime now, a little out of touch with the latested boilers. I have a problem with my Ideal 30 combi boiler as follows. Heating is fine, no hot water so replaced the turbine now working fine but the pre heater is not working and no fault codes given. Any advice...
  5. S

    Combi boiler. Running CH whilst DHW drained.

    Have a query regarding a morco combi boiler in a mobile home. It's set up with a link on the thermostat connections within the control panel and heat is controlled by Trv's. I'm planning on adding a hive thermostat to give me more control and intend to use the app. My question is, when the DHW...
  6. J

    Old Viessman vitodens 100 combi problems

    Hi guys, Just replaced some radiators in a recently purchased student let. The boiler is a 12 year old vitodens 100, 7248589. I tested the heating and hot water before draining down and it seemed to be working, maybe a little lack lustre on the heating. After completing the rads, refilling...
  7. T

    Baxi 105HE combi cutting out on DHW

    Hi there, bit of a hot water issue (or more lack of it) ever since I installed a new bathroom a few months ago. When the hot water tap is fully open the boiler heats the water as normal but intermittently the gas cuts out for 10-15 secs until the water cools back to 60 degs and then fires up...
  8. S

    Main Combi 30 HE leaking

    Hi, we have the aforementioned boiler and for quite a while now it’s leaked from the valve pictured. It drips down through the handle onto the bench below causing it to be damaged. Does anyone know what the valve is called, if you can get replacements and is it fairly straight forward to do? I...
  9. B

    Leaking Overflow from Baxi DuoTec Combi 28 HE A. is it faulty PRV ?

    Leaking Overflow from Baxi DuoTec Combi 28 HE A. Is it a faulty PRV ? Pressure gauge is showing zero so no central heating or hot water. When I try to re-pressurise by opening the fill valve, the gauge will only rise to just over one bar and the CH will then work. BUT... all the water rushes...
  10. S

    Do I need to keep the overflow tanks in my loft if I get a combi boiler?

    In my loft I have 3 water tanks. A bigger black one, that I believe is the cold water overflow. A smaller black one, that I believe is the hot water flow, and a big brass tank that stores the hot water I heat. I'm thinking about getting a combi boiler, and I would like to know that if I do get a...
  11. M

    Combi off peak boiler

    Hi I'm not sure if anyone will be able to help me with this but as you will be able to tell I know nothing about boilers! I've just moved into a rented flat that has an electric boiler. The landlord didn't install the boiler so he's not super useful on how anything works! The boiler is an...
  12. C

    Currently awaiting repair Combi Boiler leaking for 8 years. Is my plumber incompetent?

    Hi everyone, my combi boiler has been leaking for 8 years. It is a german Vaillant VCW 204 https://www.google.com/search?client=firefox-b-m&biw=1280&bih=672&tbm=isch&sa=1&q=vaillant+vcw+204&oq=vaillant+vcw+204&aqs=mobile-gws-lite..0l5#imgrc=b27-0Ajev_snmM%3A The thing is, this device is from...
  13. S

    Combi boiler/shower mixer problem

    Hi. I have a Baxi Combi Instant 105e boiler. The problem is that the shower ran cold. So I called Brit Gas and they came and changed the DHW diaphragm and a temp sensor. The Hot water to all the taps is fine and constant but the hot water to the shower mixer goes cold more or less as soon as...
  14. M

    Thermal store combi boiler, hot water flow rate.

    Can anyone tell me the hot water flow rate on a thermal store combi boiler? As opposed. To a 40kw combi that will deliver nearly 16litres per minute. And any recommendations for a good thermal store boiler thanks.
  15. J

    Hot metal/burning smell from combi boiler

    Have some problems with my boiler that cant seem to get fixed. It's a worcester bosch greenstar cdi 30 combi and it's about 5/6 year old I think. So basically the boiler has been making like a burning/hot metal smell. But it seems to only make the smell when the boiler has been like working...
  16. T

    URGENT ideal logic combi +. Dhw problems,

    Boiler has been fine for 8 months then the dhw started getting colder. Replaced the heat exchanger and the flow turbine and all good for three weeks and now cold dhw flowing cold again. Replaced the turbine again and the divert valve and motor and no difference. I have removed the divert motor...
  17. J

    Worcester Bosch 37CDI Combi leaking

    Hi all, Our Worcester Bosch 37CDI has developed a leak from this part, located above the green casing, as you can see from the drip in the picture attached. Could you please tell me what this part is? Many thanks in advance John
  18. S

    Can one inactive radiator impact combi boiler operating pressure?

    Ideal C34 combi boiler, operating pressure dropping slowly but consistently. All active radiators regularly bled. However we have one radiator with TRV set to 0 (we don't want it come on) and this is never bled. Could this be impacting the boiler pressure and should we still bleed this rad? (Be...
  19. B

    hot water on combi boiler setting query

    Good morning, I have a query about the water dial on my boiler bought a few months ago (Vokera Easi-Heat Plus 25C Boiler) and apologies for no pictures. My hot water is fed via the combi boiler and cold water is mains fed. There are two dials under the flap one is for hot water and the other...
  20. K

    newcombi-boiler size in doubt

    just fitted a gloworm 24 kw into a flat with 6 rads one bathroom previous boiler were a 42 kw floor mounted ancient Worcester . client wanted wall mounted new boiler, only problem now is the flow rate too much for the boiler and full the water is luke warm did think of reducing the flow but...
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