1. N

    Greenstar system boiler with Easy Control on s-plan modulation capability

    My old system boiler (16yo) is setup in S-Plan configuration. I want to get a new Worcester system and Easy Control (finer control with modulation/condensing.) I understand DHW has to be heated to over 65deg but I would like my heating flow temperature to be much lower particularly in the...
  2. C

    Heatslave 12/18 (2018)

    My oil combi Heatslave keeps locking out. Code 9f I have oil and filters are new. Any ideas anyone ? It’s firing but won’t stay on for more than 10 mins a time.
  3. B

    Worcester 32cdi and hive

    Had a greenstar 32cdi compact fitted years ago, after my old tank system failed. I had hive heating and hot water installed for the old system, as it would heat the water. When I had my Worcester installed, I kept the hive heating, the fitter said it would just work with the thermostat and...
  4. M

    Worcester Greenstar 15ri Pressure

    Hi all I've read FAQ no 16 and sadly the photos won't load for me, BUT I don't think my boiler uses a key anyway. Boiler is about one-billionty years old, with lots of add-on upgrades and repairs to the heating system before we moved in, so my challenge in locating an external filling loop is...
  5. H

    Boiler short cycling for no reason- temp doesn't get any higher then 50deg

    Hi I have a Worcester Greenstar 32 with a Megaflow unvented cyclinder and its been running great for he last 4 years. This week we noticed the radiators are not as warm as usual, for some reason the boiler heats up but doesn't get much above 50 deg before cycling on and off every few minutes...
  6. J

    DT10RF Battery

    The system is 10 years old. I have changed the Digistat battery after the icon started flashing but it still flashes. It's a new battery from a recently bought pack. I have already changed it twice but it is still flashing. Any advice please? Thanks
  7. G

    Worcester 30i Combi - Initial Settings

    Hi All, Looking for some help and advice on my Worcester 30i which was recently installed. I have been fitting the Tado system and putting TRV's on the rads (all but one), but that's all for another time. On the Worcester 30i there is what I presume initial settings for the RADS and WATER...
  8. A

    Worcester combi 30cdi greenstar hot water no heating

    Hi, the boiler will supply hot water but no heating,have reset boiler.system pressure ok, have checked room stat is operational. will run heating in chimney sweep mode. but nothing after that.
  9. P

    Installing Hive receiver to boiler

    Hi, I'd like to install a Hive single channel receiver to control the central heating from my Worcester Greenstar HE boiler. The current Honeywell thermostat only has two core wire to it acting as a live switch and is battery powered. My thinking is remove this cable from the boiler and using 5...
  10. B

    Worcester gas combi boiler making vibrating noise - video inside

    Hi all Can anyone tell me what’s going on with our boiler? Approx, 8 years old, gets serviced each year, was last serviced in June 2021 with no faults. We have noticed a vibrating noise coming from the boiler where when you open the a tap for hot water (can be any tap in the house) everything...
  11. Bambochea27

    Worcester Greenstar 25i ERP combi help needed

    Hello guys, My name is Marian and I got an Worcester greenstar 25i erp combi boiler. I need your help to install a Nest 3rd generation also can you help me to find right washers for connectors between wall support and boiler itself? (CW, HW, Gas...etc) Thank you so much for your help. Marian
  12. R

    Worcester Bosch bolier low pressure

    I have a 7 year old Worcester Bosch boiler (not combi). I have recently bleed radiator which has meant a loss of pressure meaning that the hot water now won't heat up. I looked up various YouTube videos and mine doesn't have the have the same filling mechanism as all of the videos watched. Some...
  13. S

    Worcester Greenstar 30CDI Boiler - constantly on during eco

    Hi there, I've just moved into a new house and have a Worcester Greenstar 30CDI boiler. The boiler is constantly humming away and giving off heat so must be heating something. I presumed this was the pre-heat function since when we moved in, the eco button wasn't lit up green and the temp...
  14. T

    Changing from Nest to Hive

    Hi everyone, I'm planning to change from Nest to Hive. I've read a few posts already (this one in particular was helpful) and I'm fairly confident I've got it right in my head, but a few things I want to check if you could help. Bit of background - we moved into a house with a system boiler...
  15. Boo Carter

    Hive - Boiler only fires for water

    I recently installed a hive dual thermostat to work alongside my Worcester Greenstar 34Cdi classic. The water side of things works perfectly. Boiler fires up, hey presto. The heating however does not fire the boiler. The heating only works if the water is on as well. Anyone got any ideas. Please...
  16. Mike15/19

    Lockout Worcester heatslave 15/19

    The problem is more burner related Worcester heatslave 15 19 oil boiler It is a bentone b9 burner made in 1999 With a danfoss bfp 21 l3 oil pump . The boiler will run fine with heating on but about 1 in every 3 or 4 times it goes to start up it will lock out , I will press the lockout button...
  17. D

    Worcester Heatslave II combi oil boiler - strange noise

    Hi, I have a 5 year old Heatslave 2 combi oil boiler which was recently serviced. I have just notices a strange noise coming from it... the heating is fine, and there are no error messages. Is there anything to be concerned about?
  18. T

    Multizone heating issue

    I have a heat only Worcester Bosch 30kw boiler and a 300L Ideal unvented cylinder. There are 3 zone valves, one for ground floor heating, another for 1st floor/loft heating and the last is for hot water. There is only one return pipe for the radiators. I had this and completely new pipework done...
  19. C

    Worcester Boiler Error Code

    Hi I am new to this forum and looking for some help with an annoying issue with my Worcester CDi boiler ( installed about 2010 ). It provides heating and hot water ( through a separate lagged water tank). Over a year ago it started going into a mode for a number of minutes before it then...
  20. C

    Worcester Bosch runs at constant (low) output

    Hello everyone, first post and I can't find anything on the search function. I have just had a new WB Greenstar 8700 system boiler installed. It is controlled by an Easycontrol wireless thermostat. The plumber has been useless - installed it, switched it on and said let it run for a few days...