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  1. #1
    Join Date
    Oct 2010
    Location
    MONTREAL QUEBEC-CANADA
    Posts
    1,603

    Default B vent clearance question..

    Looking for heat pump compressor / B vent clearance.
    Much appreciated as always.

    b vent clearance.JPG

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    Robert Young's Montreal Home Inspection Services Inc.
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  2. #2
    Join Date
    Jul 2007
    Location
    Chicago
    Posts
    928

    Default Re: B vent clearance question..

    Quote Originally Posted by ROBERT YOUNG View Post
    Looking for heat pump compressor / B vent clearance.
    Much appreciated as always.

    b vent clearance.JPG
    Standard is one inch.

    - - - Updated - - -

    Quote Originally Posted by ROBERT YOUNG View Post
    Looking for heat pump compressor / B vent clearance.
    Much appreciated as always.

    b vent clearance.JPG
    Standard is one inch.

    - - - Updated - - -

    Quote Originally Posted by ROBERT YOUNG View Post
    Looking for heat pump compressor / B vent clearance.
    Much appreciated as always.

    b vent clearance.JPG
    Standard is one inch.

    - - - Updated - - -

    Quote Originally Posted by ROBERT YOUNG View Post
    Looking for heat pump compressor / B vent clearance.
    Much appreciated as always.

    b vent clearance.JPG
    Standard is one inch.

    - - - Updated - - -

    Quote Originally Posted by ROBERT YOUNG View Post
    Looking for heat pump compressor / B vent clearance.
    Much appreciated as always.

    b vent clearance.JPG
    Standard is one inch.

    - - - Updated - - -

    Quote Originally Posted by ROBERT YOUNG View Post
    Looking for heat pump compressor / B vent clearance.
    Much appreciated as always.

    b vent clearance.JPG
    Standard is one inch.

    - - - Updated - - -

    Quote Originally Posted by ROBERT YOUNG View Post
    Looking for heat pump compressor / B vent clearance.
    Much appreciated as always.

    b vent clearance.JPG
    Standard is one inch.

    - - - Updated - - -

    Quote Originally Posted by ROBERT YOUNG View Post
    Looking for heat pump compressor / B vent clearance.
    Much appreciated as always.

    b vent clearance.JPG
    Standard is one inch.

    Chicagopropertyinspection.com

  3. #3
    Join Date
    Oct 2010
    Location
    MONTREAL QUEBEC-CANADA
    Posts
    1,603

    Default Re: B vent clearance question..

    Quote Originally Posted by Bob Elliott View Post
    Standard is one inch.
    Do you have a codified link?

    Going off thread: Hope you had a good time, or have a good time with your companion seeing either you got in late, or woke up early.
    I suspect the before as opposed to the later.
    Happy to see you are not feeling single while seeing double

    Robert Young's Montreal Home Inspection Services Inc.
    Call (514) 489-1887 or (514) 441-3732
    Our Motto; Putting information where you need it most, "In your hands.

  4. #4
    Join Date
    Mar 2007
    Location
    Ormond Beach, Florida
    Posts
    25,757

    Default Re: B vent clearance question..

    Is that a Type B gas vent and an approved Type B gas vent cap and listed for wall use?

    Jerry Peck, Construction / Litigation Consultant
    Construction Litigation Consultants, LLC ( www.ConstructionLitigationConsultants.com )
    www.AskCodeMan.com

  5. #5
    Join Date
    Mar 2007
    Location
    Near Philly, Pa.
    Posts
    1,643

    Default Re: B vent clearance question..

    That appears to be a gas fireplace direct vent termination made by Heat&Glo. It should NOT be mortared directly into a masonry wall but extend through a sleeve that gets caulked. The termination must extend at least 7" from the face of the wall for proper operation. If this is what I suspect it is, this vent carries a 1" clearance to combustibles off the sides and bottom/ 3" off the top. The manual will show clearances to sidewalls and nearby obstructions but no way should that condenser be so close to it. This can result in improper airflow in and out of this vent.

    FYI, B-vent can not sidewall terminate using atmospheric venting. It must terminate above the roofline UNLESS it has an approved power exhauster on the outside wall with a pressure proving switch linked to the burner control. See the sidewall exhauster's instructions for clearances to it.

    What is the appliance attached to this vent? That's ALWAYS the most important question and should be provided on ALL venting queries.

    Last edited by Bob Harper; 09-17-2016 at 08:26 AM.
    Keep the fire in the fireplace.

  6. #6
    Join Date
    Oct 2010
    Location
    MONTREAL QUEBEC-CANADA
    Posts
    1,603

    Default Re: B vent clearance question..

    [QUOTE=Bob Harper;268736]That appears to be a gas fireplace direct vent termination made by Heat&Glo. It should NOT be mortared directly into a masonry wall but extend through a sleeve that gets caulked. The termination must extend at least 7" from the face of the wall for proper operation. If this is what I suspect it is, this vent carries a 1" clearance to combustibles off the sides and bottom/ 3" off the top. The manual will show clearances to sidewalls and nearby obstructions but no way should that condenser be so close to it. This can result in improper airflow in and out of this vent.

    FYI, B-vent can not sidewall terminate using atmospheric venting. It must terminate above the roofline UNLESS it has an approved power exhauster on the outside wall with a pressure proving switch linked to the burner control. See the sidewall exhauster's instructions for clearances to it.

    Quote Originally Posted by Bob Harper View Post
    What is the appliance attached to this vent? That's ALWAYS the most important question and should be provided on ALL venting queries.
    I should have realized that/this.
    Pardon me colleagues.

    LP, Liquid Propane Gas log fireplace.
    LP fireplace.JPG


    Time appears to handicap me lately, Bob.
    I typically go to the manufacturer.

    CD, 6" clearance from the compressor/coils.

    Thank you.
    Kindest regards.
    Robert

    Last edited by ROBERT YOUNG; 09-17-2016 at 09:13 AM.
    Robert Young's Montreal Home Inspection Services Inc.
    Call (514) 489-1887 or (514) 441-3732
    Our Motto; Putting information where you need it most, "In your hands.

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