Concentric ventilation system for Rinnai tankless water heaters
Rinnai's unique Ubbink concentric venting system is easy to install and offers nothing but the best in performance and safety. Compatible with all indoor Rinnai water heaters, except the 98 series which uses separate intake and exhaust vents.
• GSA approved
• Professional installation recommended
• Resists flexing and cracking
Note: The 224097 part number has been discontinued and replaced with 224049. The dimensions of 224049 are 9.675" x 16.75". The hole diameter is 5".
Available concentric water heater vent fittings
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