Venting Installation Instructions

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The Ubbink Rolux® concentric vent system is considered part of the direct vent tankless
water heater.
The Ubbink Rolux® concentric vent system was tested and approved with the appliance
by a third party testing agency. Check the manufacturer's installation instructions or
certificate of compliance to confirm that the Ubbink Rolux® concentric vent system is
approved for your direct vent tankless water heater.
The tankless water heater installation instructions take precedence over this document.
Always refer to the appliance installation instructions before proceeding with the
installation of this product.
Introduction
Improper installation of vent system and components, or failure to
follow all installation instructions, can result in property damage
or serious injury.
WARNING