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Posted by HeatPro on October 08, 2006 at 18:46:00:
In Reply to: Information on Direct Vent Boilers posted by Jay on October 07, 2006 at 10:30:13:
As in all "shotgun" approaches to technical problems, direct venting is not a cause of any problem. However, incorrect applications due to not following manufacturer installation instructions, or the manufacturer's failure of due diligence in making the installation instructions has some bearing on the problem as such instructions are the basis of installation code.
After reading the blog, it becomes more than a hint that a developed length of 186 feet of exhaust tubing exceeds the 85 feet maximum length,
Quote:"As noted in the report both the total equivalent lengths as well as exact measured were well above the 85 foot maximum allowed [186.5 feet total]. In addition,the exhaust end of the boiler had become detached" Unquote.
Disconnecting the line probably allowed the unit to fire.
Therefore:
If the installer goofed,
If the inspector didn't inspect
OR didn't know what he was looking at
What is the important legalese supposed to impress Marylanders with other than ignorance on the part of the participants and that there are many inadequately trained installers in the business? A question arises in that present knowledge requirements often exceed common recognized trade skill levels.