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flues

A flue is a duct, pipe, or opening in a chimney for conveying exhaust gases from a fireplace, furnace, water heater, boiler, or generator to the outdoors. Historically the term flue meant the chimney itself. In the United States, they are also known as vents for boilers and as breeching for water heaters and modern furnaces. They usually operate by buoyancy, also known as the stack effect, or the combustion products may be 'induced' via a blower. As combustion products contain carbon monoxide and other dangerous compounds, proper 'draft', and admission of replacement air is imperative. Building codes, and other standards, regulate their materials, design, and installation.

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  1. 6

    Roofing replacements and repair work to properties with vertical flues

    Can anyone turn a boiler off to work around the flue for roofing as an example, as long as a registered gas engineer carries out the required checks and certification before turning it back on?
  2. N

    Flues through timber frame building

    Hi I’ve got my ACS exams in 2 weeks and am working a few days a week with a registered gas engineer. Today I was given the task of doing the flue for a Glow Worm boiler. This is a new build and is timber frame, I’d heard before that through a timber frame wall the flue needs a sleeve, the...
  3. eagleeye

    External boiler flues

    Would anyone be able to tell me if a Vaillant flue can be run vertically externally? I know you can with Viessmann and Worcester but cant remember about Vaillant Thanks
  4. A

    Flues (AR and ID) would like to lnow what fellow gas engineers think of this grey area

    Horizontal and vertical flues Existing installations no clips on extensions definitely AR? Or defect? Bit of a grey area, also self tapper screws? Ar or defect? If flue has neither but is solid would you leave on?
  5. C

    Boiler Flues in High Rise Blocks of Flats Deemed Possible Fire Ingress Point on Post-Grenfell Fire Regulations Review

    Sorry - I should have posted this in the Central Heating section. Hello All, I don`t know how many Members would be affected by this and at present it is only a Boiler Manufacturers interpretation of possible amendments to the Building Regulations Fire protection relating to Boilers in Flats...
  6. Mastermixlee

    Roof work/vertical flues.

    So there's a few estates scattered around my way that have the dreaded powermax boilers. All of them are installed in the middle of house in a cupboard upstairs with vertical twin pipe flue going vertical through the roof. A good majority of these houses are town houses or 3 storeys. How...
  7. CorgiDirect

    THE NO.1 TOOL FOR CUTTING BOILER FLUES - FLUESHOE CUTTER

    Gone are the days of awkwardly cutting your boiler flue. Ensure a cleaner, quicker, safer cut with FlueShoe. A unique cutting tool that ensures a secure hold to cut your boiler flue. Not only does it prevent injury and improve health and safety on the job, it also offers a unique inner...
  8. A

    commercial flues, confused

    in domestic which is what i'm used to, if its a room sealed appliance the flue is not allowed in a void unless you can inspect every joint. if its open flue as the flue isnt under possitive pressure youre okay. as theres no domestic open flued boilers ive ever heard of everything was clear...
  9. T

    What's a fair price for extending combi Flues

    Got some work coming up extending flues for external insulation company. got a few queries please guys... what's a fair price? What paper work would be involved? / Gas inspection record? Cheers
  10. Scott_D

    Flues under garden awnings

    Is there any info or TB's covering flues under awnings? Should it be treated as a carport?
  11. M

    1960's/1970's pre cast flues

    Hi all I have to do a landlords safety tomorrow on a boiler and fire. The fire I know is on a pre cast flue built in late 60's or 70's. dont really get too involved with these fires so is there any particular check list or prohibitions of late in place etc??? regards Chris
  12. jaydebruyne

    Flues and vents

    I can't find anything in the viper book about this. Minimum distance from flue to boundary of next house is 600mm.. What if that wall had 2 air bricks and a vent?? Actual distance is 1.3m. Gonna replace the boiler but need to know if I need a plume kit. Will be fitting a Vaillant ecotec Plus...
  13. jaydebruyne

    Side Exit Flues

    How do you guys measure up your side exit flues if it's a long run? I did a 3m straight run, used a laser level where I wanted the flue hole and then dropped the template about an inch from the side exit flue guide line but the fall wasn't as much as I'd hoped for. I might have to knock a bit...
  14. E

    flue liner in plasterboard boxing

    Hi, i went out to look at a job and found gas fire fitted with a flue liner which runs in 12" x 12 " plasterboard boxing, ive only ever fit fires to brick chimneys or pre cast flues/ balanced flues, Just need advice on regs to confirm the installation is ID, as the boxing would have a wood...
  15. Eyespy999

    SDS drill or core drill

    evening, I am looking at some options to extend the ever growing tool kit. Can anyone recommend options for drilling waste up to 40 mm and copper up to 28mm in masonry. I know screw fix do an erbaur core drill set which has some good reviews but any advice appreciated. Thanks in advance
  16. A

    Vertical flues

    Hi guys. Quick Question (maybe not)... Scenario. If a Boiler was in a kitchen single storey and vertical flue goes up in loft space with flue clip just above boiler. Then the extension piece (about 30cm) is in the small roof space terminating through roof. If there is no flue clip on the...
  17. B

    Flues

    Searching the Web for a flue picture to explain to customer when I come across this. Seen ones like it on a new build housing estate in Manchester last year what would others class this as
  18. U

    Letting a Property: AGA and boiler flues go into chimney

    I'm buying a property and the AGA and boiler flues go into the chimney. Because both are old I'm being told I'm going to have replace the boiler and AGA before I rent the property out because (i) the current flues are not satisfactory given they go into the chimney, and (ii) the flues can't be...
    • Unregistered
    • Thread
    • aga because boiler chimney flues letting oil property receive register
    • Replies: 2
    • Forum: Plumbing Jobs | The Job-board
  19. wattsie1987

    New Vaillant flues

    Whats everyone else's opinion on the new Vaillant flue? I think it's total pap the terminal looks like a dog muzzle and not being able to fit the external collar after fitting the flue is a right pain. I've been told that the plume kit bow needs 45ing back to Wall because the terminal sticks out...
  20. A

    self tap in screws and flues

    how many of you put self tap in screws in all flues on new boiler installations as far as i'm aware, vaillant are the only ones which come with the screws, but you still see so many ecotecs without the screws put in
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