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  1. #1
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    Default Is it dangerous?

    Another arguement with sell. The plastic vent hose used as heating ducts on condensate furnace. He said it was original & ok, much cooler than dryer vent.
    What can cause the fireplace window glass corrosion like this?

    Thanks

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  2. #2
    Join Date
    Aug 2007
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    Memphis TN.
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    Default Re: Is it dangerous?

    Quote Originally Posted by Peter Louis View Post
    .
    What can cause the fireplace window glass corrosion like this
    .
    Gas logs Incomplete gas combustion , Improper Venting, Closed Vent and Doors Flue Blocked with a standing pilot light Whybuyadoor
    .

    It Might have Choked Artie But it ain't gone'a choke Stymie! Our Gang " The Pooch " (1932)
    Billy J. Stephens HI Service Memphis TN.

  3. #3
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    Default Re: Is it dangerous?

    The first pict looks like insulated flex duct.

    Stove door is a result of acid in combustion gas given off from fuel used. Result of low combustion temp.


  4. #4
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    Default Re: Is it dangerous?

    insulated is fresh air intake. The other black plastic hose is hot air supply. Is this one dangerous?


  5. #5
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    Default Re: Is it dangerous?

    The title "Is it dangerous?"
    If the plastic air supply duct is connected to the fireplace (heat-a-lator or exhaust), then yes.
    If the plastic air supply duct is connected to the home heating system, then no, it is not dangerous. It should be insulated, but it's not dangerous.
    Unless it is to close to fireplace flue.

    ' correct a wise man and you gain a friend... correct a fool and he'll bloody your nose'.

  6. #6
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    Default Re: Is it dangerous?

    Thanks, Why the plastic duct hose needs insulated? Metal duct does not.

    pic 1 is furnace supply duct.


  7. #7
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    Default Re: Is it dangerous?

    Quote Originally Posted by Peter Louis View Post
    Thanks, Why the plastic duct hose needs insulated? Metal duct does not.
    Peter
    Are you saying that "heating (and AC) supply ducts" are not required to be insulated in Canada?
    (I am presuming the photo is in an unconditioned attic or similar.)
    All of the heating duct work (and supply vent boots) should be insulated.

    ' correct a wise man and you gain a friend... correct a fool and he'll bloody your nose'.

  8. #8
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    Default Re: Is it dangerous?

    Sorry, Rick

    This is finished basement.


  9. #9
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    Default Re: Is it dangerous?

    Quote Originally Posted by Peter Louis View Post
    Sorry, Rick

    This is finished basement.
    Since it is a finished basement AND if it is heated and cooled, then it may not be required to be insulated.

    ' correct a wise man and you gain a friend... correct a fool and he'll bloody your nose'.

  10. #10
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    Mar 2007
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    Near Philly, Pa.
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    Cool fireplace glass issue

    The fireplace shown in the OP is a gas direct vent. The link in Billy's post refers to vented and ventfree gas logs installed in and open hearth fireplace with their glass enclosure. The gas direct vent does not have a damper. The DV's glass is designed to remain sealed.

    The linked article was obviously written by an amateur or one who is not qualified. He spoke of the small gap created by the damper clamp on vented logs. The code and listing states a 'minimum permanent net free opening of X amount', which is surely to be much more than cracking a damper open with a clamp. Hydrocarbon is not hyphenated.

    The residue on the glass shown in the OP is common to ALL gas direct vents over time. It is a combination of things: silicones, acids and inorganic minerals. This residue is so common several mfrs. market products to remove this film such as "White Off" by Rutland. You can also use Brasso or Noxon metal polish or those cream cleaners for ceramic glass cook tops such as Cerama-Bryte followed by a non-ammonia based glass cleaner.

    The presence of such film on the glass of a DV fireplace does not by itself indicate a problem with the operation of the unit but it does serve witness for failure to properly service and maintain the unit.

    Keep the fire in the fireplace.

  11. #11
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    Default Re: fireplace glass issue

    Quote Originally Posted by Bob Harper View Post
    The fireplace shown in the OP is a gas direct vent. The link in Billy's post refers to vented and ventfree gas logs installed in and open hearth fireplace with their glass enclosure. The gas direct vent does not have a damper. The DV's glass is designed to remain sealed.

    The linked article was obviously written by an amateur or one who is not qualified. He spoke of the small gap created by the damper clamp on vented logs. The code and listing states a 'minimum permanent net free opening of X amount', which is surely to be much more than cracking a damper open with a clamp. Hydrocarbon is not hyphenated.

    The residue on the glass shown in the OP is common to ALL gas direct vents over time. It is a combination of things: silicones, acids and inorganic minerals. This residue is so common several mfrs. market products to remove this film such as "White Off" by Rutland. You can also use Brasso or Noxon metal polish or those cream cleaners for ceramic glass cook tops such as Cerama-Bryte followed by a non-ammonia based glass cleaner.

    The presence of such film on the glass of a DV fireplace does not by itself indicate a problem with the operation of the unit but it does serve witness for failure to properly service and maintain the unit.
    .
    Bob,

    Thanks for the correction.
    * you da Man.
    .

    It Might have Choked Artie But it ain't gone'a choke Stymie! Our Gang " The Pooch " (1932)
    Billy J. Stephens HI Service Memphis TN.

  12. #12
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    Aug 2010
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    BC Canada
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    Default Re: Is it dangerous?

    good eyes.

    I also found the inside copper gas tube badly corroded. I suggested professional service.


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