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0IX — Increaser

How to Specify

Using tables from the National Fuel Gas Code or our Sizing & Application Guide, determine the diameter of venting required. The Sizing & Application Guide also offers tips on good design including multi-appliance system sizing and design. The System Design and Installation Guide is an additional resource.

Amerivent FAQs

0IX — Increaser

Assets/Details

The increaser permits increasing of vent from 4" oval to 5" oval.