Flame Failure Device

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  • #72110
    ibcus
    Participant

    The FFD in my Cannon oven stopped working, I ordered a new one from Partmaster after sending them the full cooker info to check what part I needed.

    The part they recommended came yesterday, I went to fit it today.

    The gas valve taken from the old FFD does not fit, it’s a larger thread, obviously the part wasn’t the one I needed.

    As I had the old FFD off the oven I took it apart, 4 screws reveal a metal disk that is pressed with a spring to stop the flow of gas.

    As I have to send the part back and wait for a replacement can I remove the metal disk (and spring) on the faulty FFD to get the oven working until a new one arrives?

    I am aware this will allow gas to continue flowing if the oven flame goes out.

    #383448
    kwatt
    Keymaster

    Re: Flame Failure Device

    If you are prepared to risk blowing up your home…

    The rule is, don’t mess with gas. Dangerous stuff that can kill in at least two different ways.

    We won’t even recommend that people DIY it with gas repairs as most people won’t even know what a manometer is to check for leaks let alone how to use one. Or, to check the flames are correct and you’re not getting dosed up on carbon monoxide. Neither of which are an especially pleasant thought or worth the risk IMO.

    K.

    #383449
    captaincaveman1
    Participant

    Re: Flame Failure Device

    You shouldn’t even be fitting an FSD seriously glad i’m not your nieghbour and no you should never tamper with a safety device your very foolish. Partmaster in my view are irresponsible in supplying you the part in the first place. Do yourself and your nieghbours a favour and call in someone responsible. :rolls:

    #383450
    Jackal
    Participant

    Re: Flame Failure Device

    You are attempting to play around with a deliberate and specific safety device on a gas product.

    You will find it difficult to obtain information and guidance from anyone on here to do that given interfering with such things may result in your, and or your families and or your neighbours death should something go wrong.

    Best wait till the correct part arrives I think.

    Jackal

    Sent from my iPhone 4s using Tapatalk
    http://www.lofra-uk.co.uk

    #383451
    ibcus
    Participant

    Re: Flame Failure Device

    Are you saying removing the disk that blocks the gas could cause an explosion or if i don’t seal it correctly when I put it back together?

    #383452
    captaincaveman1
    Participant

    Re: Flame Failure Device

    Anything could happen what do you want us to say ????? Just wish I knew were you lived so I warn the nieghbours

    #383453
    ibcus
    Participant

    Re: Flame Failure Device

    Bloody hell, wish I hadn’t asked now.

    #383454
    kwatt
    Keymaster

    Re: Flame Failure Device

    The point that is trying to be made is, it’s dangerous, don’t tamper with it.

    We would never, ever even dream of messing with an FSD due to the extreme risk involved never mind trying to bypass its primary function, safety.

    K.

    #383455
    BobHope
    Participant

    Re: Flame Failure Device

    please just disconnect your cooker from its baynot fitting and live on take away food untill your correct part arrives, then get a Gas Safe engineer to fit it, you do not get that second chance with gas.

    Bob.

    #383456
    ibcus
    Participant

    Re: Flame Failure Device

    How long have ovens been fitted with FFD’s?

    Did they explode regularly before they fitted them?

    #383457
    captaincaveman1
    Participant

    Re: Flame Failure Device

    :rolls: at the end of the day take into account the concenus of opinion you did ask our advice after all.

    #383458
    kwatt
    Keymaster

    Re: Flame Failure Device

    Why do you think that they fit them now?

    Most manufacturers will go to extreme lengths to save money, why would they fit something that they could get away without fitting, at a cost?

    Now, legislation says that they have to be fitted, it is mandatory AFAIK.

    Since the manufacturers clearly would never lobby government to do something that will cost them money, someone else did.

    That happened because of the danger, without an FSD, of a cooker going BANG!

    If you don’t believe me, read this lot…

    http://www.bbc.co.uk/news/uk-england-hampshire-18979926

    http://www.itv.com/news/meridian/story/ … roys-home/

    http://www.paisleydailyexpress.co.uk/re … -31544004/

    Every year I see at least two or three of these doing the news for the site, it’s not at all uncommon.

    So far as I can gather, DIY repairs to gas systems is allowed but, if you injure or kill someone through your incompetence you can be charged and jailed for it.

    The supplier of the gas carrying spare parts would most likely also have an obligation to show “due diligence” and that they had assessed that the person that they sold the part to was “competent” to fit it. It has yet to be tested in a court and, to be completely blunt, we don’t want to be the first ones to be dragged through the courts. So, best of luck to Partmaster or whoever else wants to sell gas carrying spare parts to end users.

    The only reason that you can still buy gas spares is that B&Q and some others kicked off big time and also pretty much torpedoed the whole Gas Safe Certificate thing or whatever it was called as well.

    No doubt the cost or risk of claims was lower than the potential claims.

    I have personally seen scores of installations on gas that, if I’d done it, I’d have given it up. And, that’s just on a gas hob, probably one of the simplest appliances you’ll ever see. Every one had the potential to kill without a shadow of a doubt.

    You may think that we’re being unhelpful or whatever but our primary concern is the safety of people that choose to repair themselves in these forums. It would look incredibly bad if we see the headline, “Man Advised By Web Forum Kills Family” on the front page of the Daily Mail. But, even leaving that aside, we actually do have some morals here and we do not offer an assisted suicide service, nor will we ever do so.

    If we think you’re being daft, we’ll tell you.

    You might not like it, we might even be very blunt at times. But, we can sleep at night.

    How are you going to sleep if you consider the possibility that the valve is weeping gas and a kid or other family member wanders downstairs through the night, flips the light switch and the kitchen explodes?

    Not a situation that we are prepared to live with or offer advice on and, I’m truly sorry if you don’t understand the rationale of not being willing to do so.

    K.

    #383459
    ibcus
    Participant

    Re: Flame Failure Device

    I do understand what you are saying kwatt and I do understand that gas is very dangerous.

    Although the articles you posted, 2 are the exact same event and that was an old guy that simply left his cooker on when not lit, the last one was a guy actually fitting something to the mains supply.

    What i was talking about fitting would surely only have gas going to it when the oven is actually turned on, so saying the kitchen could fill with gas over night is a bit over the top.

    Taking a part out of the FFD is not looking as good as I first thought, although I am sure it will work there is a far greater chance that it could leak.

    The cooker is at the moment not connected to the gas supply.

    The pipe going to the oven is just hanging loose as the FFd and oven jets have been removed.

    I’m sure it should be safe to connect the cooker back up to use the hob burners and grill with the pipe just hanging open, as long as the oven is not used, I will remove the knob so it isn’t turned on by accident.

    I will wait until I have the correct part and get somone to fit it.

    #383460
    kwatt
    Keymaster

    Re: Flame Failure Device

    No.

    I’m sorry, but you’re wrong and obviously you don’t understand the dynamics of explosions.

    You don’t need a big bang to cause horrific damage, just look at IEDs, like a pipe bomb. All you need is a tight enclosed space that amplifies the effect of a small explosion into something that is potentially devastating as we’ve witnessed on some fridge freezers. A mere 150g of gas has been known to destroy a kitchen causing horrendous damage.

    Just ask Samsung.

    I dont profess to be an explosives expert by any means but I do know that you don’t need the room to be actually filled with an explosive gas to cause massive damage on an ignition. I don’t need to know any more than that. I only need to know that allowing people to mess with it can be potentially life threatening.

    The blanket rule is that if a gas cooker is faulty, pull the supply and don’t use it until you know it’s good to go.

    If you really want to go out on a limb and ignore the advice from multiple engineers with decades of experience between them then, in all honesty, knock yourself out.

    K.

    #383461
    ibcus
    Participant

    Re: Flame Failure Device

    Ok, let me rephrase that.

    What i was talking about fitting (FFD) would surely only have gas going to it when the oven is actually turned on, so saying the kitchen could have any amount of gas in it over night is a bit over the top, or blatantly wrong.

    I fail to see how gas can leek out of something that has no gas going to it.

    You may want to read the last part of my previous post as well.

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