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0T-3 — Reducing Tee

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

0T-3 — Reducing Tee

Assets/Details

Sizes: 4" Tee, 3" Branch

The branch size of the reducing tee is one inch smaller than the trunk size.AV_OT-3_TBGV line art reducing tee oval

Available sizes (inches)

ModelSizeABC
40T-34"12"2 9/16"2 3/8"