worcester

  1. S

    Remote Lockout Reset Button - Worcester Danesmoor WM 12/19

    Hello, lurked and have found some decent answers here before, thank you. Having some issues with a Wall Mounted Worcester Danesmoor WM 12/19 which I might need to get into in later posts. What I'd like some advice on at moment is why the "Remote Lockout Reset Button" on the above boiler...
  2. G

    Impact on water pressure with a shower head/Tap combo

    Hello, Does anyone have any info or advice on if/how much of an effect having one of the bath tap set ups that comes with a built in shower head attachment will have on the overall pressure? I have previously been advised that my current boiler might struggle with pressure and maintaining heat...
  3. G

    Should I change my boiler

    I am going to be installing a bath in my home as currently I only have an electric shower, I currently have a Worcester 24i Junior but when I had a local plumber install a new shower for me a while back I mentioned looking to have a bath fitted in the near future and he mentioned that I might...
  4. A

    Boiler Problem

    Hi, is there anyone that can help me with my boiler problem please? I have a Worcester Green Star 38 CDI classic boiler with hot water issues. When I turn on the shower the water fluctuates between hot and cold. The temperature goes up to 110 and then it cuts out - there are no error codes. The...
  5. H

    Worcester Greenstar 432kHz noise?. SOLVED. Honeywell Gas Control Valve, faulty batch.

    Worcester Greenstar 4000 combi boiler 25kW Install new September 2021. Last gas safety check October 3 2023 Combustion reading 0.0003 initial 0.0003 final. (is that very low?) 432kHz Drone, howl, noise from within boiler case. No pipe / rad knocks. Boiler located upstairs. External 30mm...
  6. C

    Nest 3rd Gen with Worcester 40CDi - Pump always on

    Hello, I have just had installed a Nest 3rd Gen thermostat so I can control my heat remotely, on my 12 year old Worcester Bosch 40CDi Combi Boiler. Everything appears to be working just fine apart from it seems the heating pump runs continuously 24/7. Im pretty sure this should not happen...
  7. G

    Worcester digistat problems

    My digistat has been working perfectly since I moved into this house almost three years ago. My boiler was moved into the loft so I use this to control my heating all the time. The thermostat today had been showing bizarre temperatures for example it is currently showing that its 39.5 °c which...
  8. M

    Drayton Wiser Wiring from ESI

    Switching from an ESI ESRTP4RF+ to a Drayton Wiser with a Worcester Combi boiler (single zone/one channel) The current wall plate wiring looks identical to the Drayton Wiser scheme, but just wanted to check if it would be plug n play. Attached photos of current wiring on wall plate. I...
  9. F

    Leak on hot water loop? - not triggering combi to fire up

    Hi all As title, noticed water moving noise when on the loo and nothing was using water. Turned the stop cock off, it ceased. Started again when stop cock opened. Have checked all taps and pipes I can physically get to, no leaks. Went to the boiler (Worcester Greenstar Combi) and on...
  10. A

    C1 Fan Error on Worcester Bosch 28 HE Boiler

    The C1 code is showing (error with fan) after I first first hear brief whirring-ticking, like the fan motor is trying to get going, so possibly more likely the motor as the display is normal until I attempt to run the boiler? I realise this is possibly down to a faulty PCB, which could have...
  11. T

    Upgrade analogue thermostat to Worcester Easy Control

    Hello, Wondering if anyone can help please. I have what I believe to be an S plan central heating system, consisting of: Worcester Greenstar 27Ri boiler Horstmann h37xl programmer British Gas RS1 room thermostat Danfoss zone valves x2 Honeywell wiring centre Telford stainless sealed hot water...
  12. Matthew David Wills

    What temperature should I set my non-condensing boiler?

    Hello! I have a Worcester 28i RSF non-condensing combi boiler. I am installing a room thermostat to be used with it. What central heating temperature would you recommend I leave the boiler at considering I will have the room thermostat set to 19°C? Thank you!
  13. newbie2022

    Replacing old Honeywell thermostat with Meross MTS200

    I need some help with figuring out how to wire the new thermostat. The old one has 3 wires (red, blue and yellow) as soon on image "old_wires.jpg" I have attached the wiring diagram of the old thermostat "old_wiring_diagram.jpg" and the wiring diagram of the new thermostat...
  14. Matta691

    Drayton Wiser for Greenstar 28i Junior

    HI all. I have got a Worcester greenstar 28i junior combo boiler. The thermostat currently on there is a worcester digistat. This digistat talks to the boiler via RF. I am looking to get the Drayton Wiser thermostat system but want to check it will be compatible with the boiler. To add...
  15. S

    Worcester 532/i always 'on'

    Hi, I've recently moved into a new home, which has a combi boiler (my first one) and it's a Worcester 532/i. Everything is working correctly, in that I can make the heating come on if I need it, and there's hot water in the taps. The problem is, it's always making a noise even when the heating...
  16. N

    Shower runs hot then cold then hot......

    I have an old Worcester Bosch Greenstart HE plus combi boiler. 3 months ago the shower, which has been working perfectly for last 5 years, would start off at correct temperature and then after about 2 minutes would run cold. Just as it was running cold I heard the boiler fire up and after...
  17. R

    DOES HIVE THERMOSTAT WORK ON GREENSTAR HEATSLAVE 18/25

    Hi all, I am looking to get a Hive thermostat installed but wasn't sure if it was compatible with our oil boiler as I recently found out the Google nest wasn't. Any help and advice would be massively appreciated!
  18. K

    worcester Greenstar I28 junior hot water controls missing

    we have the green star i28 junior combi boiler, when we use tap water or shower the water temp is very hot but flow ok but after some time its gets cold and then hot water start again, it is almost like it runs for a min and then takes 15 second break. I want to do two things, 1) decrease the...
  19. O

    Worcester-Bosch Greenstar 30Si two short bursts of noise when call hot water or heating

    Worcester-Bosch Greenstar 30Si (G.C. No. 47 311 85 N.G.) Had a new Flow Unit fitted as previous had developed a pin hole leak. Also topped up system inhibitor. Then this noise has appeared. I'm going to checking if anything that is easily accessible is loose, but apart from that I could use...
  20. 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...
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