Concentric ventilation system for Rinnai tankless water heaters
Rinnai's unique Ubbink concentric venting system is easy to install and has excellent 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
• Single penetration through wall for both exhaust and intake
• Polymer coated for extra durability
Available concentric water heater vent fittings
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