Rinnai 229319 Condensing Vent Pipe Extension, 2 in./4 in. x 19.5 in.
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The Rinnai 229319 is a 19.5 in. Ubbink concentric vent pipe extension for 2 in./4 in. (60/100) condensing systems, a mid-length section for extending the vent run of Rinnai condensing tankless water heaters.
Each piece pairs a 4 in. plastic outer pipe that brings in combustion air with a 2 in. polypropylene inner pipe that carries flue gases out. It fits the Rinnai RU199i, RU180i, RU160i, RU130i, RUR199i, RUR160i, CU199i and CU160i condensing tankless models. Keep the run made of these matching components only, avoid mixing in other vent hardware, and follow the water heater installation manual for the full installation requirements.
Highlights
19.5 in. straight concentric section
Fits Rinnai RU199i, RU180i, RU160i, RU130i, RUR199i, RUR160i, CU199i and CU160i
PPtl polypropylene components carry no approval for Canadian installations
Ubbink vent component for U.S. installations
Specifications
Brand | Rinnai |
Model | 229319 |
Length | 19.5 in. |
Exhaust (inner) | 2 in. polypropylene |
Intake (outer) | 4 in. plastic |
Size | 2 in./4 in. (60/100 mm) |
Weight | 0.23 lb |


