Rinnai Tankless Rinnai 38" Roof Discharge Termination

38" Roof Discharge TerminationThe Rinnai 184162PP, Roof Discharge Terminal has an all plastic concentric bi-flow vent pipe assembly length of 3" and is only to be used as part of the vent system for a Rinnai RC80i, RC80HPi, RC98i and RC98HPi Condensing Tankless Water Heater. The upper assembly is 20" long and runs up above the roof line penetration. The lower assembly is 18" long and runs down below the roof line penetration. Purchase of this assembly also includes one supporting vent pipe clamp. This ve...