Skip to navigation
RIXU — Universal Increaser/Adapter

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

RIXU — Universal Increaser/Adapter


Submittal Data (52 KB, PDF)
  • Adapts and increases from locking ring style, small-diameter vent pipe to new snap-lock large-diameter vent pipe.

Universal Increaser/Adapter sizes (inches)

ModelDiameter Size
8RIX14U8" to 14"
10RIX14U10" to 14"
10RIX16U10" to 16"
10RIX18U10" to 18"
12RIX14U12" to 14"
12RIX16U12" to 16"
12RIX18U12" to 18"
12RIX20U12" to 20"