Welcome to the forum. Although you can post in any forum, the USA forum is here in case of local regs or laws

greenstar

  1. A

    alpha e tec 28 or worcester greenstar i 30

    Hi folks, my 1999 combi boiler is in need of replacing. We just moved into the end terrace 3 bedroom house October 2020. We only have 1 bathroom with fitted shower only, no bath. In relation to both options, I am edging towards the Alph which comes with a 10 year warranty, compared to the 12...
  2. P

    Worcester greenstar 18ri heat exchanger/heat cell

    Plumber says the heat exchanger aluminium baffles are breaking down and blocking the pipe which he showed me,now the question is do I change the heat cell or go for a new boiler. My boiler is 13 years old.
  3. F

    440CDI highflow Greenstar condensate leak no error boiler works

    Hi Leak is from condensate pump which seems to work fine when restarting boiler it pumps out. Puddle on floor every morning from condensate leaking no error codes heat and hot water working fine. Have ordered new nozzle for pump to hose.
  4. Matt76

    Worcester greenstar J28i problem

    Hi all I wonder if someone could help me get to the bottom of what our problem is please. Evertime we use our Triton mixer shower the boiler has started to trip out, the red reset button flashes. But running the taps doesn't cause this. We had a Worcester approved plumber out who also...
  5. A

    Help with Worcester Greenstar 30Si DHW temp

    Hi, Is anyone able to give me some advice on a potential problem with a Worcester combi we looked at today please. Customer reported hot water on bath only getting luke warm. On first inspection we found the diverter valve passing heat down the central heating flow, so we've cleaned all the...
  6. M

    worcester greenstar 34cdi classic heating.and hot water issue

    I have a worcester greenstar 34cdi classic, the problem is when the heating is on and I switch on the tap then the heating switches off for a little while and heats up again by itself, what could be the issue
  7. DaveMargetts

    Worcester Greenstar 24i issue

    Hello - just wondering if anyone has any ideas why my Worcester 24i combi boiler doesn't heat the central heating water? It heats the tap water just fine but when the demand comes in from the room thermostat for the central heating to turn on - nothing happens... I've checked the demand from...
  8. M

    Does my Greenstar CDi have a problem with Siphon Fill Mode ?

    Hello My Greenstar CDi boiler goes into Siphon Fill mode multiple times a day for 15 minutes at a time - this means that there is a 15 min lag between the thermostat clicking on and the boiler leaving the siphon fill mode and kicking in and heat returning to the radiators. Im looking for a...
  9. P

    Worcester Bosch Greenstar CDi - injecting additives

    Hi, I have been adding inhibitor via one of the radiators, but is there a way of doing it via the boiler itself please? I can't see where I would connect a pressurised can to? Thanks.
  10. S

    Worcester Bosch Greenstar 24i Mk4 system boiler that is locked out.

    Hey Folks. I have a Worcester Bosch Greenstar 24i Mk4 system boiler that is locked out. The boiler was working correctly, then the gas supply was turned off (to service another appliance) but the boiler was not turned off. I assume that the boiler tried to cycle on and off as requested by the...
  11. S

    Worcester Greenstar 30i ErP heating Issue

    Hi I am wondering if anyone can give me some advice/help with this issue. I have a Worcester Greenstar 30i ErP which got it's first yearly service by B/Gas 2 days ago. The boiler was working fine prior to the service, and seemed to work o.k yesterday, this morning the radiators went cold...
  12. S

    10 year old Bosch Greenstar Junior water sloshing noise, then fault

    I noticed the boiler making some strange noises last night. It made the same noise previously during a severe winter several years ago when the condensate exhaust which runs into a sink waste outside froze. I checked the brass spiral filter and purged it and quite a lot of brown debris powder...
  13. S

    Greenstar question.

    Hello All. I have a question about the DHW temperature setting of a Greenstar 30i ErP. It seems to be set for a maximum of 60C. A safety measure, I know, but is there any way to set it higher? 65 or 70, like the good old days. The service manual implies not, but perhaps there is a secret menu??
  14. S

    Worcester Greenstar 8000 Style 50kW versus Viessmann Vitodens 111-W 35kW Storage Combination Boiler

    I would be grateful if I could have some details about both of these boilers. so I was thinking of a point system from 0-10 on the followings and any details you could share I would be most grateful. 1.Built quality 2.durability 3.customer service 4.ease of servicing 5.user interface I live in...
  15. C

    Worcester Greenstar Boiler

    We have two issues. I suspect that they are not actually problems – the heating work fine. Worcester Greenstar CDi. Installed in unheated garage. Protected by Honeywell pipestat and froststat. 1. The garage was cold (approx. 7° C). The room thermostat had demanded heating and the...
  16. B

    Advice/confirmation for Nest install for Greenstar 30DCi classic boiler

    Hi all, I have read several posts and searched the internet and believe I have now got the correct procedure to install a Nest for my Greenstar 30DCi classic boiler with an Integral Diverter Value with a DT20 timer. If I could just get a second opinion, before I proceed it would be really...
  17. M

    Can anyone help with a worcester greenstar 37cdi combi?

    It works fine during the day but when it turns off at night, I.e no demand, in the morning it won't fire up. The roomstat is calling for heat ok and there are no fault codes coming up but the green pilot light isn't lit and the boiler doesn't fit up until I push the reset.
  18. J

    Wiring for ufh zone Worcester greenstar heatslave 18 25

    Hi, first im gas safe registered so know a bit about wiring but my own boiler is giving me a head ache. Worcester greenstar heatslave 18 25 oil i fitted a nest just linked ch from boiler demand to programmer demand all good. I now want to wire in another stat for my ufh but dont know what to use...
  19. R

    Worcester Greenstar 38cdi Classic Combi Minimum Flow Rate

    Hello there, I'm wondering if anybody can advise me, please. I'm in the process of switching my thermostatic radiator valves to Drayton Wiser valves. I currently have one radiator fitted with lockshield valves as a bypass, but I would like to put a Wiser valve on this as well and incorporate...
  20. M

    Greenstar Heatslave not producing vet limited amount of hot water

    Hi, would be extremely grateful for any pointers on this problem The full name of the boiler is the Worcester Greenstar Heatslave 18/25 Oil combi. The boiler has a 69L heatbank. We leave the water permanently set to on. When I run the hot tap nearest the boiler i get hot water as expected...

We recommend City Plumbing Supplies, BES, and Plumbing Superstore for all plumbing supplies.

Featured Content

Back
Top