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greenstar

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  1. D

    Vent valve greenstar 35cdi compact how to get back inside

    Hi Took the vent valve off which has a spring clip and sits in the top right hand side of the boiler, particular to this install it's in a cupboard making access difficult on top of a step ladder and sliding into the cupboard. I have Drained the system. Silicone greased the new valve for...
  2. P

    Worcester Bosch Greenstar Regular Boiler - Always ON

    Morning all, I've noticed very recently that our Worcester Bosch Boiler is constantly ON and making a fair bit of noise. The flame is not on, but certainly sounds like the pump is running, AND the water temperature does seem high considering we've not had any demand for it for a good 48hrs or...
    • Pgeddon
    • Thread
    • boiler bosch greenstar worcester worcester bosch
    • Replies: 9
    • Forum: Boilers
  3. C

    Greenstar Boiler Not Working

    I have a green star ten yrs old keeps increasing pressure, feel on off filling valve not working, drain off to recommended, but after few days it's increased whilst cold...is this a regular problem.
  4. J

    WB Greenstar 4000 Combi Fault Code 2965

    What is the boiler flow temperature required to flag this 2965 fault code?. This, I believe, is a blocking code that trips the burner but when/if it resets. the burner will refire without any boiler reset? If this fault code is up while in CH mode and there is a demand for HW, will the boiler...
  5. M

    Worcester Greenstar 24RI - Burner Seal Replacment

    Got some quotes for a service, one person has said if I haven't had the burner seal replaced for past 5 years, it should be done (& service price goes up by £55). Boiler installed in 2015 - never had the 'seal' replaced? Is it a necessary requirement just as a matter of course?
  6. B

    MT10RF replacement on greenstar junior24i combi mk3

    The clock timer on the Mt10rf transmitter does not work, but it can be used in day mode to get the heating on. Is Drayton LP10RF a suitable replacement? I guess the receiver from this would need to be used rather than the existing Worcester one?
  7. C

    Worcester Greenstar 29CDi Classic boiler

    I have an issue with a Worcester Greenstar 29CDi Classic boiler. I replaced the old thermostat controller with a smart dual-channel HIVE one. I did all the wiring following the diagram in the attached picture. The boiler doesn't work anymore. Please, any suggestions?
    • Calin73
    • Thread
    • boiler greenstar worcester
    • Replies: 3
    • Forum: Boilers
  8. A

    Worcester Greenstar Ri Boiler Knocking

    Hi there, My boiler (Worcester Greenstar Ri) has started making a soft knocking noise when it turns on, and again a few times when it turns off. I've attached a short video of the sound. It isn't constant, it seems to happen within the first 10 mins of the boiler starting up, then you won't...
    • Asgeir
    • Thread
    • boiler greenstar worcester
    • Replies: 3
    • Forum: Boilers
  9. T

    Worcester Bosch Greenstar knocking noise

    Hello, I have just moved in to a new flat this week and have a problem with noise coming from somewhere around the top of the boiler. It's a loud clicking/knocking sound that lasts about a minute, stops for 20-30 seconds and starts again. It seems to happen at night, starting in the evening...
    • tchiscilo
    • Thread
    • bosch greenstar noise worcester worcester bosch
    • Replies: 1
    • Forum: UK Plumbers Forums
  10. P

    Greenstar 4000 runs almost continually. Not good.

    Last May had a new Greenstar 4000 boiler fitted and only recently started using the heating. Once the set room temperature is reached the boiler modulates (presumably) and stays running for very long periods (many hours) but the circulating water is only luke warm (about 35 degrees) Any heating...
  11. simlock

    GreenStar 30si leaking water

    Hi, i hope somebody can help me, i seem to have a leak from my GreeStar 30si boiler, it looks like it coming from the Siphon container, from the top, around where the Flue meets it, inside the boiler, i have noticed that there is an overflow pipe, yet, it seems that nothing can flow out the...
  12. Greenstar123

    Greenstar 30si compact filling link

    Hello all, I want to increase the system pressure to 1.5 bar. Following the user manual (found one online) and some YT videos the filling link should be clearly visible there, but I still cannot find the filling link on my Greenstar 30si compact, or at least nothing there looks like it. It...
  13. S

    Greenstar CDI Classic - Hot Water Issue

    Evening All, Been having on and off issues with a Greenstar CDI classic Combi were the hot water is not heating up but only intermittently. Some days/ weeks it’s fine and works fine all of the time but on the odd occasion it’s been running cold in the following sequence. It fires up the boiler...
  14. B

    Refilling system - Greenstar 4000

    I have a Greenstar 4000 30KW combi boiler, and am planning to partially drain down the system to move a radiator. There is a blue lever ("keyless filling link") underneath for gradually topping up the pressure after bleeding a radiator, but I suspect this would be a very slow way to refill the...
  15. J

    Worcester Boiler - GREENSTAR 8000 Life - Heating anomaly

    Worcester Boiler - GREENSTAR 8000 Life - Heating anomaly I have recently noticed when I have lost power to my boiler and power is then reinstated that the Central Heating comes on. Is this the norm?…ALL CH controls are off.
    • Jon999
    • Thread
    • boiler greenstar heating worcester
    • Replies: 9
    • Forum: Boilers
  16. P

    Worcester greenstar compact 30Ri burner.

    My Worcester greenstar compact burner green light is only firing up for 5 seconds then cutting out. Anyone got any ideas before I call an engineer out. Incase it’s something simple.
  17. S

    Wiring a Hive Receiver to Worcester Bosch Greenstar 4000 30kw

    Hi Everyone - despite my best efforts I can't seem find a clear answer on how to wire a single channel Hive Receiver to a Worcester Bosch Greenstar 4000 30kw. I've attached 2 photos showing the connections on the receiver and boiler. With great hope you experts out there can help - thankyou!
  18. B

    Problems with Worcester Greenstar HE Plus

    Started getting a random F7 fault on our gas boiler, called out a gas engineer to have a look at it. He gave it a good look over and checked and it was working while he was there. A few hours later the problem started up again, called the gas engineer who fitted a new main board, boiler was...
  19. J

    Worcester greenstar 4000 refill system

    Hi guys just wondering how to top up pressure on this Worcester boiler after draining system down Also an unvented cylinder upstairs and solar panels Many thanks
  20. B

    Worcester Greenstar 30CDi - Juddering - Rusty Deposits On Pipe (Pics)

    Hi everyone! My Worcester Greenstar 30CDi Combi boiler started making a rather loud juddering noise two nights ago. I bled all the radiators and releaaed air from the system. Repressurised the system afterwards with the water valve and the noise had stopped... until about the same the next day...
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