worcester

  1. P

    Hot water mystery - faulty boiler?

    I have a shower running off bath mixer taps (i.e. not an electric shower) and for the last few weeks it has been driving me insane... hot water has been intermittent and water pressure is terrible. Plumbers can't figure out what is causing the problem. What happens is this: when I turn on the...
  2. G

    Hive on Worcester green star 30si

    Hi all I’ve got a receiver fitted on to a the boiler and purchased a hive 2 thermostat and hub 360. The thermostat won’t connect to the receiver even when I reset the receiver so it is flashing Amber. Called hive and they said maybe a compatibility issue with the boiler. Has anyone got a...
  3. C

    Worcester Greenstar 28i Junior; timer is losing time.

    My mechanical timer has started losing time, meaning my heating is no longer coming on when I want it. I assume the timer unit is failing and needs replaced (or is it fixable?) and was wondering what my best options are? I'm tempted by something like a Nest to give me more remote control; can...
  4. K

    Worcester Highflow 400 RSF intermittent DHW

    Guys, Drained the CH system, replaced expansion vessel and currently on Sentinel x400 since 1.5 weeks ...but notice DHW water burner is cutting out time to time when on constant hot water demand! think should remain constant and so water temp fluctuate bit. More noticeable when on shower, not...
  5. S

    Worcester 24i junior not repressuring

    Hope someone can help. My old Worcester 24i junior combi boiler stopped heating water this morning (red error light flashing slowly). Noticed pressure had dropped below 1 bar so turned little tap by the loop/hose to let some more water in to the boiler. Have done this before and this usually...
  6. S

    ❄️!! Help Worcester ❄️24i RSF-L combi ❄️not working !! ❄️

    Hi, we have a Worcester 24i RSF-L combi with an intermittent problem. Sometimes it just doesn't work, no hot water or heating. A CH engineer came out and eventually changed the fan at the top after he removed the long clear pipe coming from the fan, blew down it and the boiler started up. He...
  7. M

    Worcester Heatslave 12/14 B9 Burner - locks out straight away

    Hi, wonder if anyone can help? I have a B9 burner unit that locks out straight away, (just a faint hum from the unit then orange light comes on ) if I take the burner out and take cover off motor and spin with a srewdriver put burner back in it will fire up as normal. When I turn the motor...
  8. G

    CH Working but not DHW

    Hi guys, First post so be kind! My boiler is a Worcester Greenstar 28i Junior. The problem is as the title says, Central Heating is fully working but come to turn the taps on and no hot water. With the CH off, the DHW starts of warmish and the goes ice cold. with CH on, DHW comes out hotter...
  9. A

    Worcester Heat Slave 12/14 Problems

    Hi I have the above oil fired Central Heat/Water heating system. I get it serviced each year but it is not due again for another 6 months so hoped someone could give some help on the following. I am an Engineer so capable to handle moderate DIY jobs and have fixed problems on the boiler before...
  10. M

    worcester heatslave 12/14 intermittent lockout

    Hi I wonder if anyone could point me in the right direction for troubleshooting? I have a 12 year old worcester heatslave 12/14 combi that keeps locking out after 5 minuets, after leaving it for another 5 minuets if i hit the lockout reset it will run again for a while then go back into lockout...
  11. GBCTHORPE

    Intermittent Air Flow Fault

    Hello all, first post here so be gentle with me! I am the (not so) proud owner of an archaic WORCESTER 28CDI combi. Around Xmas time the boiler made some horrible loud grinding noises and then gave up completely, RGI came round and diagnosed the fan. Brand new fan fitted and then the boiler...
  12. M

    Pressure jumping from 0-4 bars Worcester Junior 28i

    Hi all, I'm new on the forum. Have Worcester Greenstar Junior 28i combi boiler. Living in house 3 years now and there was no rcently any work done in the house .Since 1 month I noticed the pressure goes down to 0 bar. First thing wast water leak somewhere and checked all radiators in house...
  13. K

    Worcester Highflow 400 Electronic RSF

    Folks, Moved to new property about two years ago, where we have Worcester Highflow 400 Electronic RSF (originally installed ~2002) and looks there are some issues and was wondering if any experts around and able to check in Aberdeen/Aberdeenshire area. Here's what's happening... * Started...
  14. A

    Heatslave 15/19 want heat radiators

    Hi we have a Heatslave boiler that is about 30 years old. It has been working fine however every now and again the heating will not come on and the hot water is so hot its nearly boiling, the room stats is calling for heating. We have had the three way valve replaced with a genuine Worcester...
  15. B

    Worcester Greenstar CDI - Leaking primary HX - best way forward?

    Hi, Our Worcester Greenstar 42CDI has been losing pressure, and I have confirmed that it is the primary HX / Heatcell. :( (I checked all the usual suspects first, pressure vessel is OK and precharged to 1bar, relief valve isn't passing, no visible leaks around boiler or CH pipework. The to...
  16. R

    Worcester key filling loop

    Maybe a silly question..... Is it possible to loose water through the filling loop on a Worcester key fill boiler? I have pressure dropping on my combi boiler, having to fill it up every few hours if we want heating, no issues with the pressure relief valve, which would imply a leak, I have...
  17. M

    Boiler replacement quote /ideas

    Hi am looking to replace my alpha cb24 this month as it keeps loosing pressure and it's old non condensing pretty 2005. Don't want to repair it. We have a baby due soon. My thinking is will be using more gas / heating so better to have something efficient. We have a 3 Dbl bedroom semi with a...
  18. W

    Please advise- Drayton SCR/ Digistat RF to Nest installation

    Hi, I am installing a Nest onto a Worcester 25Si combi. It is to replace a Drayton SCR/ Digistat +3RF. I wanted to double check the wiring- ie. can I swap it like-for-like? Wiring, as shown in the pics (http://imgur.com/a/Ri7GW), is currently: Blue- N Brown- L Black- 1 (C) Grey- 3 (Call) Earth...
  19. cristianoco824

    Worcester Greenstar Heatslave 18/25 lockout light on

    Hi everyone. Last week I ran out of oil and I noticed the lockout light is on on the boiler. Ordered new oil which came 3 days later,but in the meantime I have turned off the boiler and the water pressure went down to 0. So, I tried to restart the boiler but no luck.After reading some advice on...
  20. T

    Installer recommends 18kw instead of 15kw?

    Got a quote recently for a new Worcester boiler to replace a 10 year old Potterton boiler which is 15kw. Never had any problems with the 15kw Potterton in terms of power. The installer says it's worth paying a little extra for the 18kw because it will be more efficient - something about the...
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