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pilot light

A pilot light is a small gas flame, usually natural gas or liquefied petroleum gas, which serves as an ignition source for a more powerful gas burner. Originally a pilot light was kept permanently alight, but this wastes gas. Now it is more common to light a burner electrically, but gas pilot lights are still used when a high energy ignition source is necessary, as in when lighting a large burner.
The term "pilot light" is also used occasionally for an electrical indicator light that illuminates to show that electrical power is available, or that an electrical device is operating. Such indicators were originally incandescent lamps or neon lamps, but now are usually LEDs.

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  1. T

    Ferroli F30B Combi Boiler

    Good morning everyone, new to the site, i need some help with the above boiler. I had the above boiler fitted yesterday which i purchased from a friend of the family, ie: it was used already. had it plumbed in by a plumber etc. when we turned the power on all i get is a continuos pilot light...
    • tony
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    • Replies: 3
    • Forum: Plumbing Jobs | The Job-board
  2. C

    chris harman

    We have an elderly worcester bosch heatslave C/H boiler running on LPG. For several weeks we have been bedevilled by the failure of the pilot light. When dismantling the front covers for the nth time I noticed a very strong draught of air coming in through the balanced flue. I think this may be...
    • chrisharman
    • Thread
    • air boiler bosch chris cold diy fitting gas gas fire gas safe heatslave installation pilot light safe worcester
    • Replies: 3
    • Forum: Plumbing Jobs | The Job-board
  3. A

    Combi pilot light goes out.

    My pilot light goes out whenever there is a demand. The fan is working and the pressure is up to normal. I've had someone look at it but dont have much confidence in them. Can anyone advise?
    • a9blue
    • Thread
    • advise boilers burner cold combi diy fan ferroli fix flame gas heating light newbie parts pilot pilot light pressure problem pump train training valve water work
    • Replies: 24
    • Forum: Plumbing Jobs | The Job-board
  4. A

    pressurise an old pottereton kingfisher

    Hi, I have ?25? yr old Potterton Kingfisher CF80 (?) Mk1 floor standing. Due to loft conversion I need to swap the F&Etank for a pressure vessel. I rang Potterton, but they were "unsure" , muttering about need for overheat stat. (I presume thats different to the TC for the boiler stat ). Is this...
    • alan5151
    • Thread
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    • Forum: Plumbing Jobs | The Job-board
  5. D

    interrupted thermocouple?

    Can anyone tell me what an interrupted thermocouple is and further more does any one know of a genuine course on boiler faultfinding in the south east Thanks Dee
    • deepatel
    • Thread
    • boiler boilers burner control flame gas gas safe high overheat pilot light power problem safe safety switch system thermocouple valve warning work
    • Replies: 6
    • Forum: Plumbing Jobs | The Job-board
  6. B

    worcester 240 bf problems

    i have no un usuall noises like bangs or gurgling nor does it affect the heating side of things.but the the problem i have is that when running the the hot water wich is plenty hot enough is simply trips out the pilot light,after a minute or two i can re light it and is fine for the next few...
    • bristoljay
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    • boiler central heating system combi high hot hot water pilot light problem problems pump vessel water winter worcester
    • Replies: 2
    • Forum: Plumbing Jobs | The Job-board
  7. P

    Potterton Profile 60e Main Burner cuts out

    I have seen a few threads regarding these boilers but none seem to quite match my sympton. Normally when the room stat or cylinder call for heat I see/hear the fan start, the pilot lights and then the main burner. Which I guess is normal operation. But sometimes the main burner only stays lit...
    • pickse
    • Thread
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    • Replies: 7
    • Forum: Plumbing Jobs | The Job-board
  8. S

    pilot light on thorn backboiler wont light

    Hi , I have a Thorn housewarmer 2 30/45 backboiler and up until a few days ago after removing 1 radiator to do some tiling i have found that my heating wont work now. I have no pilot light on and it wont ignite using the correct procedure either.Every thing else seems ok , pump,diverter...
    • scooter
    • Thread
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    • Replies: 3
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  9. N

    Potterton Profile 100e Boiler problem

    Hi, Have problem with the above I think. Boiler will run on HW only no prob. When put on CH only or HW+CH runs for about 20 mins and then stops, pilot stays lit, pump keeps running, room stat still calling boiler fan still running. Just main flame not on. If you turn everything off and leave for...
    • nickcat65
    • Thread
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    • Replies: 6
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  10. S

    I own a Rayburn 380G oven and central heating system

    Hi There, I own a Rayburn 380G oven and central heating system My central heating has gone down and I'm not sure what to do? I've no hot water except for the shower which works ok I've felt the pipes upstairs in the airing cuboard and none are hot. The pilot light for the...
    • sawhead
    • Thread
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    • Replies: 4
    • Forum: Plumbing Jobs | The Job-board
  11. J

    no hot water gloworm space saver 50

    hi please any help appreciated i have heating but no hot water, thermo has to have heating and water on together fro heating, pump fires , pilot light ok, but no hot water i have gloworm spacesaver 50 in kitchen
    • julie
    • Thread
    • heating hot hot water kitchen no hot water pilot light pump space water
    • Replies: 0
    • Forum: Plumbing Jobs | The Job-board
  12. M

    Thorn m50 Apollo can't get pilot light to operate

    Came across a thorn m50 boiler can get the pilot to work and was wondering if I can get a part to fix it? Was trawling the Internet to see if I could possibly get a part for it but not having much luck. Any advice welcome or possible links to a parts site. Thanks
    • Masterchief
    • Thread
    • apollo boiler can't fix gas gas safe internet light parts pilot pilot light safe thorn work
    • Replies: 2
    • Forum: Plumbing Jobs | The Job-board
  13. B

    Boiler wont fire up

    Hello all. I have a baxi boston 2 60-rs and never had any problems up until recently. For the first time my gas ran out (i forgot to top up) and ever since then my boiler wont kick in. I can light the pilot light no problem and it stays on, the pump above is still spinning and eveything seems...
    • Benj
    • Thread
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    • Replies: 3
    • Forum: Plumbing Jobs | The Job-board
  14. R

    Should I replace my old boiler ?

    Hi all, I've a glow-worm economy plus boiler which is at least 12 years old. It's been serviced a couple of times and had 2 repairs - both when the pilot light wouldn't stay on. It's starting to get a bit noisy lately - it did this when I first moved into this house and a plumber turned up the...
    • rilla
    • Thread
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    • Replies: 3
    • Forum: Plumbing Jobs | The Job-board
  15. W

    ferroli 77FF combi

    hi there, i have encountered a problem with my combi boiler; basically i have no hot water and no heating. but, after replacing the air pressure switch (on a plumbers diagnosis) the problem persists. i noticed that when the boiler started to deteriorate there would be a clicking noise before the...
    • waterpistol
    • Thread
    • air boiler central heating system cleaning combi combi boiler ferroli hot hot water kitchen no hot water noise pilot light plumbers pressure problem relight remove switch taps vent water work
    • Replies: 4
    • Forum: Plumbing Jobs | The Job-board
  16. E

    Vaillant VCW 20/1 T3W - Help and advice Required?

    Hello friends, I hope that you can give me some advice. I have a virtually unused Vaillant VCW 20/1 T3W Serial Number 20465347 installed in a chalet in Lydiate, Merseyside. Everything has been turned off for some time. I have cleaned the boiler, turned the propane back on, have the water...
    • Eddie Marshman
    • Thread
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    • Replies: 4
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  17. J

    jack sparks

    Hello fellow tradesmen, I am not a plumber nor do I live in the UK but I do have a common interest, working with metals. For most of my working life I have taught hundreds of tradesmen the arts of Arc, Gas, TIG and MIG welding. I am now of course in my twilight years, having just celebrated my...
    • jack sparks
    • Thread
    • boiler boilers burner central central heating system diy fix flame flow gas glow-worm pilot light plumber plumbers price problem sparks system test valve work
    • Replies: 2
    • Forum: Plumbing Jobs | The Job-board
  18. M

    Boiler not firing

    Hi please help, my boiler pilot light is on the pump is running but won't fire any ideas???
    • milkman
    • Thread
    • air bar boiler burner combi combination diverter valve firing gas hot hot water kitchen noise not firing oil pilot light pressure problem pump sink switch tap valve water
    • Replies: 5
    • Forum: Plumbing Jobs | The Job-board
  19. S

    Glowrom space saver 2

    Good afternoon peeps,wondering if anyone can help out, friend of mine has this glowrm model installed and the pilot light will light but goes out within minutes,i thinking thermo couple but i dont want to tell them its that and they go and have one fitted and realise its not that,bot yet sure if...
  20. M

    Vailant VCW240 pilot cutting out after long dhw draw off

    I have a Vailant vcw240, approx 14 yrs old, still doing excellent service, but recently the pilot light has been going out. I had originally thought that it was blowing out due to a draught, but yesterday I was watching it when a lot of hot water was being drawn off. Just after the tap was...
    • mark
    • Thread
    • after bar boiler boilers boiling central heating system cold cold water combi cutting cutting out dhw flush flushing gas high hot hot water inside pilot pilot light pressure shower supply system tap temperature thermal vailant water
    • Replies: 4
    • Forum: Plumbing Jobs | The Job-board
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