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combi

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  1. N

    What size combi for my daughters house.

    Hi all....my first post.....talked my daughter into seeing about a new modern gas boiler to replace to very old one she has now. Its the type that has a separate electric water heater....parts are very hard to find for it. She has had a few prices and one guy said she needs a Worcester 32Cdi...
  2. 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: Boilers
  3. T

    Ideal Logic+ 30 combi - timer or room stat off

    I have an Ideal Logic+ 30 combi boiler which was running fine up until a power cut earlier today. Now it's stuck saying "timer or room stat off" whilst in Winter mode and the central heating won't come on unless manually triggered by the thermostat by increasing the temp. I've tested the...
  4. S

    No hot water. Combi Greenstar i

    Good afternoon. Our Greenstar i combi boiler works fine for heating but I am trying to find out why the boiler doesn't fire when I call for hot water. The fan seems to go but no blue light or firing up. Checked the pressure, all OK. The radiator underneath the boiler had a lot of air yesterday...
    • Snowyfox
    • Thread
    • combi greenstar hot water water
    • Replies: 1
    • Forum: UK Plumbers Forums
  5. J

    Anyone got a used Mira Platinum digital mixer HP/combi valve for sale?

    Hello all, Anyone have a used Mira Platinum digital mixer - HP/combi valve for sale (single outlet)? Mira's code for the 'box' and control is 1.1666.003 - I don't need the control.
  6. 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: Boilers
  7. jojo77m

    Combi not stopping on schedule

    I have a programmable thermostat set with a daily schedule 06:00-09:00 the maximum temperature should be 21c, every radiator in every room has a TRV, this morning the room with the thermostat was at 25c and the radiators in that room (and all the other rooms) were still on and the boiler still...
  8. J

    Adding solar thermal to existing bosch combi idea.

    Hello, So I want to add a solar thermal system to my existing Worcester bosch greenstar but don't want to lose the functional benefits of the combi boiler. I'm proposing to install the solar collector on the side of the house in a position that will enable gravity flow to a 200litre tank just...
  9. Jarrvo

    Combi or System boiler advice

    Hi all, I'm after a little advice for my elderly parents. They have a Ideal Classic RS240 that is probably 20 years old which has seen better days and a hot water tank that has started to leak. It's a 3 bed house with 1 bathroom (shower bath with a pump). Plus an ensuite which has an...
    • Jarrvo
    • Thread
    • boiler combi system
    • Replies: 5
    • Forum: Boilers
  10. J

    Potterton combi gold 28 HE, fault?

    Good afternoon all, I am a commercial gas engineer so little experience with domestic (although fully qualified). I have a problem with a Potterton combi gold whereas I initially had no heating. I looked at the actuator on the diverter which was not driving so for £12:50 I just ordered a new...
  11. 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: Boilers
  12. 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: Boilers
  13. G

    Recommended smart thermostat/controller for ATAG combi (ATAG or Tado)

    Hi all I'm considering getting an ATAG IC Economiser (combi), and to take advantage of the 14 year warranty I need to get one of 2 smart controllers: ATAG One Zone Tado v3+ An annoyance about the Tado is that the UK version doesn't support OpenTherm (unlike the EU model), but this is...
  14. 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...
    • James Croft
    • Thread
    • boiler combi combi boiler expansion expansion vessel plumber vessel
    • Replies: 11
    • Forum: Boilers
  15. 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...
    • Nathzy01
    • Thread
    • boiler combi combi boiler pressure
    • Replies: 5
    • Forum: Boilers
  16. L

    Combi hot water cycling hot cold hot cold

    Morning all, ok so since having a new Worcester greenstar 8000 combi installed I’ve been struggling to get constant hot water… it runs hot for a minute or two then cold then hot etc. the system has been power flushed, magnacleansed, radiators agitated (very little sludge came out) it has mesh...
  17. 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...
    • CLC plumbing
    • Thread
    • boiler combi combi boiler cylinder pipe work
    • Replies: 0
    • Forum: Boilers
  18. 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...
    • CLC plumbing
    • Thread
    • boiler combi combi boiler expansion expansion vessel vessel water
    • Replies: 18
    • Forum: Boilers
  19. 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...
    • going green
    • Thread
    • boiler combi combi boiler installation
    • Replies: 10
    • Forum: Boilers
  20. J

    System or Combi in local pub?

    23 rads and one kitchen hot water supply plus two basins in toilets. Had an old Concorde system boiler which gave up. Two zones supplying two large rooms 50' x 12' x 24' each. Local heating company recommended Nevien 42kw combi boiler and things went wrong after that. The installers have made...
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