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EZTR – What orientation should I install the Base Junction Support?

The base junction support piece is stamped with an arrow on one side. This end should be inserted up into the B-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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