Rinnai 224079PP Concentric Condensing Vent Pipe Extension, 19.5"
Concentric ventilation system for Rinnai tankless water heaters
The Rinnai RCi Series Tankless Water Heaters uses concentric venting with an inner pipe which is designed to withstand varying temperature conditions that happen over the life of a condensing heater. The Ubbink Rolux condensing concentric vent design is part of the direct vent system, and has been tested and approved by a third party testing agency.
Plastic Outer Vent For Intake
Polypropylene Inner Vent For Exhaust
• GSA approved
Available concentric water heater vent fittings