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RIX — 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.

How to Purchase

Vent FAQs

RIX — Increaser

Assets/Details

Submittal Data (56 KB, PDF)

Increaser sizes (inches)

ModelDiameter Size
14RIX1614" to 16"
14RIX1814" to 18"
16RIX1816" to 18"
14RIX2014" to 20"
16RIX2016" to 20"
18RIX2018" to 20"
14RIX2214" to 22"
16RIX2216" to 22"
18RIX2218" to 22"
20RIX2220" to 22"
16RIX2416" to 24"
18RIX2418" to 24"
20RIX2420" to 24"
22RIX2422" to 24"
18RIX2618" to 26"
20RIX2620" to 26"
22RIX2622" to 26"
24RIX2624" to 26"
20RIX2820" to 28"
22RIX2822" to 28"
24RIX2824" to 28"
26RIX2826" to 28"
22RIX3022" to 30"
24RIX3024" to 30"
26RIX3026" to 30"
28RIX3028" to 30"