boiler

  1. 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...
  2. 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...
  3. 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...
  4. 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...
  5. 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...
  6. 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...
  7. 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...
  8. 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...
  9. 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...
  10. 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...
  11. 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...
  12. 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?
  13. E

    Strange boiler pressure loss scenario

    Hi there. We have a Vaillant system boiler which has recently had a new expansion vessel and PRV. However, we still have some kind of pressure issue. The pressure remains pretty constant with daily checks and similar usage patterns (typically 1.4 or 1.5 bar) for about 4 weeks, but then suddenly...
  14. F

    Why would the boiler be turned down to 10kW?

    Hi, I’m investigating lukewarm radiators and intermittent hot water in the house I’ve just moved into. We have a British Gas 330+ boiler. I note in the manual it says the boiler is factory preset to 18kW, but upon entering the diagnostics menu I see the “boiler output” is set to 10kW, and the...
  15. R

    Baxi Duotec HE 33 CH cycling on off

    Hi Wonder if anyone can help? I’m having a problem with my combi boiler, the CH keeps cycling on/off on a three minute cycle instead of modulating at the set temperature. It will fire up and ramp up to max fire before dropping back again but then overshoots the set temperature (65degC) and...
  16. S

    Low CH Pressure in Glow Worm Betacom2 28 Boiler

    So I found this site while googling my problem - I can’t find any videos online that exactly match my boiler and since I know next to nothing about boilers, I don’t want to accidentally make the problem worse. My boiler is flashing a CH pressure of between 0.2-0.4, it’s been gradually getting...
  17. C

    Nest 3 / Easicom 28

    Hello, I’ve been going round in circles on this and could really do with some help! I have a Glowworm Easicom 28 Boiler which connects to a Glowworm thermostat in my hall. I would like to instal a Nest 3 to improve efficiency (and because the controls on the thermostat are very clunky). I think...
  18. S

    Connect Baxi Solo 2PF to hive

    Im an electrician trying to connect Hive to my Baxi solo 2PF boiler but the hive diagrams dont match the available terminals and I dont understand enough about boilers to chance guessing at it and frying the mother board. Please help! (Diagrams and boiler terminals attatched)
  19. S

    Boiler making strange intermittent noises (see video link with sound)

    I have an electric boiler which has started making noises intermittently, which sound like it could be the pump into it. See this video to illustrate the noise it makes (the sound started up at the 17 seconds mark): It seems to do this every few minutes, occasionally very often, other times...
  20. R

    Boiler service itinerary

    Hey folks, About to have my 5-year Viessmann Vitodens 100-W service. Boiler hasn't missed a beat since its installation in Feb 2019. Should I be expecting something other than a general inspection, magnetic filter and condensate trap clean? Seen lots of videos of people having burners cleaned...
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