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The Rinnai 184119 is a roof discharge termination designed for cold climates. This product fits Rinnai non-condensing tankless water heaters, except the R98 series, which requires separate venting. It features a concentric venting system composed of an outer plastic vent for air intake and an inner metal vent for exhaust gases.
This roof discharge terminal is essential for efficient ventilation in cold weather.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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