Rob Buchanan
  • Waterloo, IA
  • United States
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Domestic HWH diverter missing, or just different?
8 Replies

Hi everyone,I…Continue

Started this discussion. Last reply by Cory Chovanec Sep 27, 2012.

 

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Dennis Heidner replied to Rob Buchanan's discussion "Creative" solution to birds in the basement in the group Hall of Shame
"You need to ask your self -- which is going to be worse: 1. An occasional bird in the basement... 2.  The smell of cooked starling....and roasting feathers in the heaters firebox 3.  Does it meet the installation instructions for the…"
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Tom replied to Rob Buchanan's discussion "Creative" solution to birds in the basement in the group Hall of Shame
"Ok, so while odd, is there anything inherently wrong with this, aside from maybe suggesting less tape?If I'd encountered this, I probably would have chuckled and left it alone. After all, someone else just posted photos of a dead squirrel in…"
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Rob Buchanan added a discussion to the group Hall of Shame
Mar 19
Cory Chovanec replied to Rob Buchanan's discussion Domestic HWH diverter missing, or just different?
"Rob- It might be a direct vent mobile home water heater installed in a house. This is only a guess but check underneath the water heater and look for a opening. "
Sep 27, 2012
Rob Buchanan replied to Rob Buchanan's discussion Domestic HWH diverter missing, or just different?
"Strangely, it does slope within normal limits. I hadn't thought about flue gas condensation being a problem, though. On the plus side, there are a handful of CO detectors around the house. The next step will be a full CAZ. Having not identified…"
Sep 27, 2012
tedkidd replied to Rob Buchanan's discussion Domestic HWH diverter missing, or just different?
"Looks almost perfectly horizontal.  Think they took a level to it (lol)?"
Sep 27, 2012
Timothy DeLuca replied to Rob Buchanan's discussion Domestic HWH diverter missing, or just different?
"Have you done any CAZ testing under worst case situations to test for combustion gas spillage? I agree that this horizontal venting holds a lot of potential for dangerous CO spillage. What are the rise, run and sizes of the flue pipes, including…"
Sep 25, 2012
Robert Riversong replied to Rob Buchanan's discussion Domestic HWH diverter missing, or just different?
"The primary purpose of a draft hood is to maintain a constant, and not excessive, draft from the appliance, much like the barometric damper on a furnace flue. In many jurisdictions, you can't vent a gas appliance into the same flue used by any…"
Sep 25, 2012
Rob Buchanan replied to Rob Buchanan's discussion Domestic HWH diverter missing, or just different?
"So, if I'm reading that correctly, as long as there is no pressure differential between the combustion air supply and draft hood, it is technically in compliance. The combustion air intake and draft hood are in the same room. As far as…"
Sep 25, 2012
Sean Lintow Sr replied to Rob Buchanan's discussion Domestic HWH diverter missing, or just different?
"I am by no means an expert in this area & you should call one in to look at it but the applicable code is: IRC 2009 - G2407.3 (304.3) Draft hood/regulator location. Where used, a draft hood or a barometric draft regulator shall be installed in…"
Sep 25, 2012
Rob Buchanan replied to Rob Buchanan's discussion Domestic HWH diverter missing, or just different?
"I was back in the residence today and took a look at the underside of the box in question. It is most certainly a draft diverter, but it looks as if it is decidedly unsafe. Based on the stack effect, the warm, moist air would circulate at the top of…"
Sep 25, 2012
Rob Buchanan's discussion was featured

Domestic HWH diverter missing, or just different?

Hi everyone,I haven't been in the game too long (two years), but I have been in a few hundred houses. I have never seen a DHW exhaust like this in any house. There is no draft diverter at the top of the water heater, and the exhaust is continuous until it enters the chimney. It is commonly vented with the 80% efficient…See More
Sep 24, 2012
Rob Buchanan posted a discussion

Domestic HWH diverter missing, or just different?

Hi everyone,I haven't been in the game too long (two years), but I have been in a few hundred houses. I have never seen a DHW exhaust like this in any house. There is no draft diverter at the top of the water heater, and the exhaust is continuous until it enters the chimney. It is commonly vented with the 80% efficient…See More
Sep 24, 2012

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Building Performance Institute (BPI)

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Rob Buchanan is now a member of Home Energy Pros
Dec 27, 2011

Profile Information

Company
Green Iowa AmeriCorps
Professional Certification
BPI Building Analyst, BPI Envelope Specialist
Professional Interests
Retrofits and pressure barrier assessment and improvement, building performance auditing

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At 9:01am on December 29, 2011, Diane Chojnowski said…

Hi Rob,

Welcome to Home Energy Pros! Feel free to join the conversation in the Forum and Groups. And share your energy efficiency photos, videos and upcoming events. If you're blogging about home performance, this is the place for you!

Don't forget to upload your profile photo. And add your location on our Member Map!


Thanks!
Diane, HEP Moderator

 
 
 

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