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  1. #1
    Join Date
    May 2012
    Location
    Upper Michigan
    Posts
    3,588

    Don't see this much

    Oil fired wtr heater. Name:  ImageUploadedByTapatalk1349219457.801671.jpg
Views: 817
Size:  39.1 KB


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  2. #2
    Join Date
    Jul 2009
    Location
    Columbia, MD
    Posts
    3,970
    why do oil furnaces always get freakin barometric dampers but, everyone is so dang scared to install a barometric on a gas appliance.

    geeeeeezzz!!

  3. #3
    Join Date
    May 2012
    Location
    Upper Michigan
    Posts
    3,588
    Quote Originally Posted by gravity View Post
    why do oil furnaces always get freakin barometric dampers but, everyone is so dang scared to install a barometric on a gas appliance.

    geeeeeezzz!!
    Not sure, we never install 80% up here so never thought of it lol.


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  4. #4
    Join Date
    Aug 2012
    Location
    NE wisconsin
    Posts
    402
    Quote Originally Posted by gravity View Post
    why do oil furnaces always get freakin barometric dampers but, everyone is so dang scared to install a barometric on a gas appliance.

    geeeeeezzz!!
    Because the gap between the water heater and the vent pipe serves that purpose and it doesn't need one.

  5. #5
    Join Date
    Apr 2011
    Location
    Coastal Maine
    Posts
    826
    I wouldn't put this in the wall of shame. Other than the unsleeved oil line, these old Aero's worked fine. Bock's were the same. They can make more hot water than a family can use.

  6. #6
    Join Date
    May 2012
    Location
    Upper Michigan
    Posts
    3,588
    Quote Originally Posted by meplumber View Post
    I wouldn't put this in the wall of shame. Other than the unsleeved oil line, these old Aero's worked fine. Bock's were the same. They can make more hot water than a family can use.
    Oil is very expensive is all


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  7. #7
    Join Date
    May 2012
    Location
    Upper Michigan
    Posts
    3,588
    Quote Originally Posted by philjafo View Post
    Because the gap between the water heater and the vent pipe serves that purpose and it doesn't need one.
    I was thinking furnace for some dumb reason


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  8. #8
    Join Date
    Feb 2010
    Location
    In a boiler room
    Posts
    7,115
    Quote Originally Posted by philjafo View Post
    Because the gap between the water heater and the vent pipe serves that purpose and it doesn't need one.
    A draft hood (or gap as you put it) serves a completely different purpose than a barometric. According to ASHRAE a draft hood isolates the appliance from the flue allowing combustion to take place without venting action. Since it disconnects the appliance, draft and air through the burner is completely uncontrolled. Draft hoods are designed for a specific set of conditions, which are; a vent of not more than 5 ft in height with 1 or 2 elbows. How often do those conditions get met in the field???

    A barometric or draft regulator on the other hand allows for a consistent amount of air through the burner that does not change with changing conditions. Those of us who test for CO find draft hoods spilling quite often, either with higher than normal or lower than normal flue draft pressure. They are not safe under all conditions! A draft regulator is the only way to fix them. A spill switch added to the bottom of a double swing barometric will shut down the burner if the flue gets blocked.

  9. #9
    Join Date
    Feb 2010
    Location
    In a boiler room
    Posts
    7,115
    Quote Originally Posted by gravity View Post
    why do oil furnaces always get freakin barometric dampers but, everyone is so dang scared to install a barometric on a gas appliance.

    geeeeeezzz!!

  10. #10
    Join Date
    May 2012
    Location
    Upper Michigan
    Posts
    3,588
    Quote Originally Posted by Joehvac25 View Post
    I was thinking furnace for some dumb reason


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    Wth guess he did say furnace.


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  11. #11
    Join Date
    Feb 2010
    Location
    In a boiler room
    Posts
    7,115
    I work on quite a few oil burners but have only seen 2 oil fired water heaters. Most of them got changed to electric it seems.

  12. #12
    Join Date
    Oct 2012
    Location
    Torrington CT
    Posts
    82
    up here in CT i have worked on so many to oil fired water heaters the pain in the butt part is to clean them when there is no room for your brush

  13. #13
    Join Date
    Mar 2012
    Location
    New Hampshire
    Posts
    84
    I cleaned 2 today, we have tons of em' up here in Patriots country!


    "I don't know why it be like it is, but it do"

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