boiler

  1. P

    Glow Worm System 18hxi Boiler Intermittent issue

    Hi, I am after some pointers to help diagnose an issue with my system boiler (Glow worm 18hxi). It is a system boiler with unvented Ariston 150L hot water tank and 2 expansion vessels (one each for HW and heating). There is a motorised valve (2 way) on each of the Hot water feed and heating...
  2. Arran2711

    No central heating in combi mode

    Hi, I've recently moved into a rental property with a Remeha C28. We have had hot water without issues but as it's got colder we went to turn the central heating on but it doesn't work in combi mode. It does also drop pressures so I have needed to refill the loop every 1-2 weeks...
  3. ahmad1988

    Domestic gas engineer

    Hello guys I have been qualified as a domestic gas engineer but I applied to lots of company and they didn't accept my CV that's why I wasn't successful in finding a job . I have been qualified in leeds College of Building and located in leeds as well but i dont have the ability to start my...
  4. M

    How to connect new thermostat to combi boiler (Ed.)

    Hi all. I have a combi boiler in my house and I recently updated the thermostat to a basic Sangamo mechanical stat. I used 2 cores, permanent live and switch live. The first night I changed it the heating seemed to come on whilst I was out and I couldn’t turn it off (although the boiler is...
  5. Terry87x

    Is this wired incorrectly??

    Hi, I recently moved into a property and the Neomitis thermostat has absolutely no affect on the boiler, it is sync’d with the receiver and paired but whenever I turn up the heating on the thermostat the boiler does nothing. I have checked the wiring on the receiver and I’m sure this is...
  6. J

    Hive Wiring Help

    Hi All, would really appreciate some help if possible! Purchased a Hive system to install to my Worcester Combi boiler. It was already set up with an old British Gas smart thermostat and WR1 receiver so I was hoping to keep the backplate and just switch over. Anyway it wouldn’t fit and the...
  7. O

    Baxi Duo-Tec Combi 24 Boiler - HEATING RESTART ISSUES

    Hi everyone, Everything works fine until water is drawn from the hop tap. The heating switches off (the heating light goes out) while the hot tap is open but it does not return when the tap is closed. It takes a few times opening and closing the tap before the heating turns back on (the heating...
  8. Thanyxos

    Ersatz für Boiler mit Überdruckventil: Passt der Neue von eBay?

    Hello dear community, I need your expertise on a boiler with a pressure relief valve (not an instantaneous water heater). Since I am not very familiar with this, I hope for your help. I have an old boiler, which I have taken photos of, and I would like to know if a new boiler I found on eBay...
  9. heatingdilemma

    Which boiler for our house?

    We are getting a new heating system but different plumbers are suggesting different boilers. Our house will be a 4 bedroom, with 3 bathrooms. We are a family of 4, 1 due imminently, 1 is nearly 2 and my wife and i. One bathroom will be downstairs and is existing having an electric mains shower...
  10. All_that_Jazz

    25mm MDPE mains with low flow rate

    I've been given conflicting opinions from different plumbers about the type of boiler to have installed (which seems the norm reading through the threads), so would greatly appreciate some advice. Some suggest a combi as my flow rate is only 10 L/m and others suggest an unvented cylinder with a...
  11. mess17

    Worcester Greenstar CDi - Eco mode/preheat problem

    Hello, Have a strange one, we had a gas engineer visit our flat yesterday and since then the boiler fan/pump seems to be always running. Our electricity useage has also increased massively, smart meter showing about 40p by the time we wake up in the morning when usually it would be about that...
  12. W

    Which Oil Boiler

    Hi I am about to order a new oil combi boiler and installation, and I am confused over what size boiler. I got three quotes, two of which quoted in person and said two different sizes. One suggested 18/25 and the other a 26/35. Putting aside the cost difference of the boiler, the engineer...
  13. J

    Boiler leaking

    Hello, when I bought my house this boiler was already installed, I’m guessing a new boiler is a must, but as we are selling very soon, i do not want the expense of a new boiler. I can see where it is leaking, I believe this is what’s blowing the fuse. So all help would be appreciated as I do...
  14. P

    Estimating the required boiler Kw

    Hi All. I had a gas engineer come out to quote for a new piece of work. The requirement is as follows. 6 showers 11 radiators 300L unvented cylinder 12sqm of single zone underfloor underfloor heating The engineer estimated a 30kw system boiler, not sure if this is an overkill or about right...
  15. T

    Vaillant Ecotec Plus 418 problem - will not start up

    Hi, my heating which uses a Vaillant ecotec plus 418 boiler installed on an open vented central heating system using S plan has stopped working. The problem is the boiler is not firing up. The boiler status shows S30, which means there is no external demand for heat. I checked the SL to the...
  16. N

    Remove all radiators while renovating whole house

    I’m renovating my whole house, making structural changes etc and want to remove all radiators. However, I want to keep hot water running. I have a relatively new Vailant combi boiler. If I remove all rads and cap temporarily, the re-pressurise the system, will that do? Or does there need to be a...
  17. Louiseisabel09

    Valiant boiler F22

    Please can someone help me I’ve lived in this property for a week and yesterday I ran out of gas, I topped it back up and since can’t get my heating back on I am trying to re pressure it but I don’t think I am turning the right things if anyone can guide me in the right direction that would be...
  18. H

    Camray 5 Boiler - Issue

    Hi Bit of a strange one, and I have contacted a plumber but they won’t be able to come until after Easter which is fine. Just wondered if anyone had experienced similar. We have a Camray 5 boiler, and for the last few months we have had the heating on ‘timed’ and hot water to ‘on’ - constant...
  19. V

    Loud noise from 3 port valve

    Hi All, recently had the three port valve replaced. It worked fine for 3 weeks, now it is making loud banging noise when central heating is turned on from controller and there is call from heat from central heating thermostat. Please listen to the video in the link. The noise disappears when the...
  20. J

    Unusually water leak on a Worcester Greenstar 25cdi boiler. The plastic section behind the dhw temperature sensor has developed a slow leak.

    Hi As you can see on the attached picture a slow leak has developed on this large plastic piece. I am trying to find out is the leak is fixable and if so with what? If the leak cannot be fixed can that whole plastic section be purchased as a replacement part?
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