Description 224053 Rinnai – 39″ Vent Pipe Extension – E:Mail: [email protected] to confirm availability or for volume discounts Concentric bi-flow 39” length vent pipe is only to be used as part of the vent system for a Rinnai LS, RL, RV or V Series Tankless Water Heater. Can be cut down to any length you require. Requires separate intake and exhaust pipes and do not require this vent type of vent system. Can NOT be used with the Rinnai RC or RU Series 95% Condensing Tankless Water Heaters! Attributes Brand Rinnai Composition Aluminum inner exhaust, Plastic outer intake Country of Origin JPN Cubic Measurement 0.7236 Dimensional Weight 9 EAN 8713645107011 Prop 65 YES UOM EA UPC See EAN