Rinnai 21" Concentric Horizontal Termination Diverter Kit 223187
Rinnai/Ubbink 21" Concentric Horizontal Termination Diverter Kit 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 RL, Value and Luxury non-condensing models of water heaters. Not compatible with the Ultra 98 condensing series, which uses separate intake and exhaust venting.
Plastic Outer Vent For Intake
Aluminum Inner Vent For Exhaust
• GSA approved
Available concentric water heater vent fittings