Description 224052 Rinnai – 19.5″ Vent Pipe Extension – E:Mail: [email protected] to confirm availability or for volume discounts Concentric bi-flow 19.5” lengthvent pipecan be usedpart of the vent system for a Rinnai LS, RL, RV or V Series Tankless Water Heater. Itcan be cut down to any length you require. R98LSi modelsuses aseparate intake and exhaust pipes. This vent fitting has a metal interior pipe for the exhaust and a plastic exterior pipe to draw air from outside for combustion. Do NOT use with the Rinnai RC or RU Series 95% Efficient Condensing Tankless Water Heaters! Attributes Brand Rinnai Composition Multiple Country of Origin JPN Cubic Measurement 0.3573 Dimensional Weight 5 EAN 8713645107004 Prop 65 YES UOM EA UPC See EAN