Proper Installation of Direct Vent, and Flexi Gas Lines

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: Hi Boiler Room Team : The following questions and informaton is in no way, to make any negative comments about either the Boiler or gas line products presented here. What is the question, is the properness of their installation. The location of these photos, are withheld in this posting. If you wish to discuss this further please contact me. Incidently, a court case recently related to these objects, was recently settled [out of court] : In any case,I have 3 questions for the Board in general. : It concerns the installation as follows; : A High Efficiency Vented Munchkin Unit, 199 MBTUH : http://boilermachinery.com/mark/mark2/Photos_SCANS/DeadlyMunchkin/605576-R1-16-9.jpg : http://boilermachinery.com/mark/mark2/Photos_SCANS/DeadlyMunchkin/605576-R1-18-7.jpg : I've included links to pics for the replacement outside installation, replacing the Munchkins and related new propane lines... : Note the way the new yellow-flex propane/gas line has been installed in the basement for the new outside once through heaters. There is somewhere in the order of 200 to 300 feet of this line snaking it's way throughout the basement of this resort. : http://boilermachinery.com/mark/mark2/Photos_SCANS/DeadlyMunchkin/South_MunchKin_VENT_PropaneRun.jpg : yellow line is the propane line, white 3 inch pipe is the exhaust and fresh air intake for a "199" Munchkin. : total combined length is over 120 feet ! : note the supports : http://boilermachinery.com/mark/mark2/Photos_SCANS/DeadlyMunchkin/605576-R1-23-2.jpg : http://boilermachinery.com/mark/mark2/Photos_SCANS/DeadlyMunchkin/605576-R1-24-1.jpg : there's over two hundred feet of this yellow propane flexi line in this crawl space : http://boilermachinery.com/mark/mark2/Photos_SCANS/NEWheaters/605576-R1-10-15.jpg : http://boilermachinery.com/mark/mark2/Photos_SCANS/NEWheaters/605576-R1-08-17.jpg : THE TWO questions; : 1- The Munchkin was set up to burn Methane, not propane. The town site provided propane. Given the possibility that the contractor at least installed the proper burner orifice for a propane source, but still considering how the vent and intake were installed. How long do you think it might take for this boiler to fail and from what specific cause? : 2- The yellow propane line, run throughout this basement area. Over 200 feet worth. : Can you see any problem with the new installation and related propane line? : 3- When a high efficiency unit is operating, what would be the % CO output of such a Boiler's furnace? : Can you aee any other tell tale problems? The Munchkin ran for over one year, before an incident caused it to be turned off, and a new outdoor system put in its place. I wonder how long it would take to fill up the direct vent with water and even sooty residue, if propane was burned in a methane unit without the proper conversion being made? : I wonder how well the vent installation would have stood up to any additional weight? : The Munchkin is a very good unit, but as you can see from the pics at the top : ...well feel free to comment. :) : [[By the way here's a far better installation of the same vented Munchkin Model. : http://boilermachinery.com/mark/mark2/Photos_SCANS/NE_NativeCenterLincoln/Munchkin2.JPG : http://boilermachinery.com/mark/mark2/Photos_SCANS/NE_NativeCenterLincoln/Munchkin3.JPG]] : : BY THE WAY, WHICH COUNTRY DO YOU THINK THIS WAS INSTALLED IN? WHAT DO YOU THINK OF THEIR JURIDICTIONAL REGULATORS?