Tankless Direct Vent intake and exhaust (common errors and misconceptions)

Jim from EZtankless explain in detail the common errors and misconceptions that people (homeowners and plumbers alike) have with the intake combustion air and exhaust systems on direct vent (concentric type) gas fired tankless water heaters.
Music: Title: Feeling good - Kevin MacLeod - Kevin MacLeod (incompetech.com) Licensed under Creative Commons "Attribution 3.0" http://creativecommons.org/licenses/b...  )

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