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Lakewood, WA
Posts: 1478
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Kenmore, WA
Posts: 15390
Joined: Dec, 2003
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A lot of soot.
[#2] Posted: 02/18/2010 - 3:08:25 PM |  |  |
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Hi,
It oughtna be burnin' black like atun. Somethin' ain' right, Jetro!
OT - OF!!!
M.
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Collins, NY
Posts: 3138
Joined: Apr, 2008
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A lot of soot.
[#3] Posted: 02/18/2010 - 3:35:51 PM | | |
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Every one of those direct vent rigs I see looks like that, there's one I drive by regularly that has the whole side of the house black with soot (I'm gonna have to go and get a picture now). They don't vent worth a damn, and the monkeys at the controls don't know how to burn a candle, let alone a fire. Although it's definately broken, it looks like about the best of those around here.
Tom
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Tom
http://clearcreekhomeinspection.com/
Life is tough enough as it is, it's tougher when your stupid. Don't do stupid things.
Dr Joe Lstiburek |
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Kenmore, WA
Posts: 15390
Joined: Dec, 2003
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Kenmore, WA
Posts: 15390
Joined: Dec, 2003
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A lot of soot.
[#5] Posted: 02/18/2010 - 4:03:38 PM | | |
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Robert,
Are you sure that the vent material used is the combo vent stuff that's supposed to be used with a direct vent? I can imagine that if that's a sealed box and they're using the wrong vent material that flame isn't going to be getting enough oxygen and it's liable to burn pretty nasty.
ONE TEAM - ONE FIGHT!!!
Mike
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Ashland, VA
Posts: 2938
Joined: Jan, 2006
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 A lot of soot.
[#6] Posted: 02/18/2010 - 4:37:57 PM | | |
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Quote: Originally posted by hausdokQuote: Originally posted by Tom Raymond
Every one of those direct vent rigs I see looks like that, there's one I drive by regularly that has the whole side of the house black with soot (I'm gonna have to go and get a picture now). They don't vent worth a damn, and the monkeys at the controls don't know how to burn a candle, let alone a fire. Although it's definately broken, it looks like about the best of those around here.
Tom That's weird, I see them on about 90% of the homes I do and there's rarely any issue with them burning black like that. When there is, it's usually something that the installer or client did to impinge the flame. The worst ones were those where they were burning propane and they were maladjusted. ONE TEAM - ONE FIGHT!!! Mike
I was thinking earlier when this first posted, I've only seen those vents used on fireplaces venting directly out the rear of the unit through the wall. I've never seen one teamed up with that length of vertical flue. I was wondering if it's a bad marriage and actually not a setup approved by the fireplace manufacturer.
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Lakewood, WA
Posts: 1478
Joined: Sep, 2005
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A lot of soot.
[#7] Posted: 02/18/2010 - 5:47:23 PM | | |
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Thanks for the reply guys. Mike I am fairly sure it is the combo vent stuff. And you were on point when you mentioned that the only time it really is noticeable like this is when propane is used. Hell, that happened at our new home until the installer made the needed adjustments. This home was serviced by natural gas. Sumtin needs adjustin.
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Rob Jones
South Sound Inspections
Seattle Home Inspection
"If you work just for money, you'll never make it, but if you love what you're doing and you always put the customer first, success will be yours."
Ray Kroc |
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Canton, Ohio
Posts: 284
Joined: Jan, 2004
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A lot of soot.
[#8] Posted: 02/18/2010 - 7:41:21 PM | | |
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If that material is right for the stove, could the house overhang be blocking the exhaust and allowing it (exhaust air) to be sucked back into the make-up air, now depleted of oxygen? That exhaust is got to be way to close to the underside of the overhang.
Ezra Malernee
Canton, Ohio
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Ezra Malernee
Canton, Ohio
www.ezrashome.com
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State: PA & NJ
Posts: 3208
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A lot of soot.
[#9] Posted: 02/18/2010 - 8:54:57 PM | | |
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The vent termination clearance minimum is determined by the manufacturer of the appliance. That particular stove likely requires a minimum clearance below an unvented soffit of 11".
That type of stove will require very specific adjustments by the installer, that are dictated by the vent configuration. The items needing specific settings are the intake restrictor, exhaust restrictor, diffuser and possibly even the installation of additional intake dampers. The correct restrictor, damper and diffuser settings are needed to control the flow of intake air and exhaust gases.
I try to get the manufacturer's name and model, then obtain and review the installation instructions before issuing my report. I've never had problems finding them and they often reveal more than one installation issue that the client really needs to know about and have corrected.
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| Bill Kibbel, Historic & Commercial Building Inspections - Old House Resources |
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Lakewood, WA
Posts: 1478
Joined: Sep, 2005
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A lot of soot.
[#10] Posted: 02/18/2010 - 9:19:51 PM | | |
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Thanks Bill and Ezra.
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Rob Jones
South Sound Inspections
Seattle Home Inspection
"If you work just for money, you'll never make it, but if you love what you're doing and you always put the customer first, success will be yours."
Ray Kroc |
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Rochester, MN
Posts: 127
Joined: Apr, 2002
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A lot of soot.
[#11] Posted: 02/20/2010 - 08:59:45 AM | | |
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Improper gas/air mixture will cause the unit to develop soot. One of my units started to leave soot on the glass cover, disassembled it to find that the burner plate was cracked. It is about 14 years old, but I have it controlled by a thermostat so it runs a great deal more than most gas fireplaces.
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