Rinnai 224270 Concentric Non-Condensing Vent Pipe Extension, 39"
Concentric ventilation system for Rinnai tankless water heaters
Rinnai's unique Ubbink concentric venting system offers maximum performance, and safety, while still being easy to install. Compatible with all indoor Rinnai water heaters, except the 98 series which uses separate intake and exhaust vents.
• GSA approved
Metal Outer Vent For Intake
• Painted galvanized steel
Aluminum Inner Vent For Exhaust
Available concentric water heater vent fittings
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