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RDH — Draft Hood Connector

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.

How to Purchase

Vent FAQs

RDH — Draft Hood Connector


Submittal Data (54 KB, PDF)


Draft Hood Connector sizes (inches)

ModelSizeDim. ADim. B
3RDH3"4 1/2"6"
4RDH4"4 1/2"6"
5RDH5"4 1/2"6"
6RDH6"4 1/2"6"
7RDH7"7"8 1/2"
8RDH8"7"8 1/2"
10RDH10"7"8 1/2"
12RDH12"7"8 1/2"