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Condensation trap in boiler

  • 22-01-2018 12:41AM
    #1
    Registered Users, Registered Users 2 Posts: 12,053 ✭✭✭✭


    been out today and emptied water out of the condensation trap in our condenser oil boiler, it was black dirty water - just wanted to check the outlet pipe as well whilst i was at it and that was clear .

    It must just fill up and eventually exit out of the outlet pipe does it? - I checked the ball float inside and that was floating freely.

    can anyone tell me what is the need for a trap? (i'm not going to remove it or anything, just curious) why don't the pipe from the condenser heat exchanger just exit out of the pipe and straight into the drain, without a need for a trap? - or is the trap there so it catches the crud which would otherwise could potentially block up a drain?

    Even better why aren't they designed in a way that the outlet from the condenser unit just somehow exits into the boiler and just be burnt so it can just evaporate through the flue with the other gasses - negating the need for a trap and outlet pipe to a drain? - I am guessing that because the water from the condenser is acidic and could rot the inside of the boiler if it did that?


Comments

  • Hosted Moderators Posts: 3,496 ✭✭✭DGOBS


    Because it would leak flue gas.


  • Registered Users, Registered Users 2 Posts: 4,017 ✭✭✭jimf


    jesus andy McIvor wouldn't get a look in with you

    he could blow up a train with a packet of chewing gum and a toilet roll


  • Closed Accounts Posts: 1,590 ✭✭✭agusta


    Part of the condensate does go out the flue but not all.so you need a condensate drain. The condensate trap is basically a u bend and its purpose it to stop combustion gases from going out the condensate drain


  • Registered Users, Registered Users 2 Posts: 12,053 ✭✭✭✭Andy From Sligo


    jimf wrote: »
    jesus andy McIvor wouldn't get a look in with you

    he could blow up a train with a packet of chewing gum and a toilet roll

    MacGyver even ;)


  • Registered Users, Registered Users 2 Posts: 4,017 ✭✭✭jimf


    MacGyver even ;)

    that was his brother :P:P:P


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  • Registered Users, Registered Users 2 Posts: 12,053 ✭✭✭✭Andy From Sligo


    so the crux of the matter is that it was normal for it to be full of dirty black water then, because thats acting like a u-bend in a sink does, in the way a u-bend in the sink stops drain smells coming up through sink hole the u-bend in a condenser boiler stops the fumes from coming out the drain pipe?


  • Closed Accounts Posts: 1,590 ✭✭✭agusta


    so the crux of the matter is that it was normal for it to be full of dirty black water then, because thats acting like a u-bend in a sink does, in the way a u-bend in the sink stops drain smells coming up through sink hole the u-bend in a condenser boiler stops the fumes from coming out the drain pipe?
    If it full of dirty black water,the boiler is due a service too.
    Yes it stops flue gases going out the condensate drain
    It also stops back smells if the condensate pipe is connected to a waste stack


  • Closed Accounts Posts: 1,590 ✭✭✭agusta


    jimf wrote: »
    jesus andy McIvor wouldn't get a look in with you

    he could blow up a train with a packet of chewing gum and a toilet roll
    Jim ,the chewing gum was semtex:D


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