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Water heater vent pipe attached on a slight angle

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Vent pipe meets water heater at a very slight angle.  It still sits over the vent hood. Is this ok?
asked in Gas Water Heater by postpremium (120 points)
edited by darekrudy
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1 Answer

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Hi Postpremium,
Water heater vent pipe's vertical runs should be as straight as possible, and there's no minimum or maximum angle description in the code book. Also, not mentioned in the code book but used as a base for calculations in Gama venting tables (those tables are for calculating dimensions of vent pipe connectors and chimney flues for category 1 gas burning appliances) is a assumption that there is at least 12” long vertical connector (first section of the entire vent pipe assembly) attached to the draft hood, again no mentioning about permissible (or not) leaning and angles of that first piece of vent pipe. 
If it is properly installed and secured, the “slight angle” shouldn’t be a problem, the only thing is that “slight” (since it hasn't been defined) might be too much for some and OK for others. If you are concerned about safety you should definitely consult your local licensed heating or plumbing contractor and let them evaluate your installation.
answered by darekrudy (21,730 points)