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EZTR – Am I required to use the Flex Feeder?

Yes. The Flex Feeder piece (#14 below) should be utilized for every install, even those going directly vertical. While the feeder piece is designed to facilitate the Flex Pipe through the B-vent, it is also used to prevent any foreign matter (e.g. rust, dust, etc.) from entering into the flex vent.

B-vent
A class of vent used for natural draft appliances (i.e. tank type water heaters). Not allowed for tankless water heaters with fan assisted combustion (all Noritz models).

Updated on April 14, 2021

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