Rinnai Tankless Rinnai 3” Inner Diameter - Direct Vent Pipe - Double Wall - Horizontal Termination Diverter Kit for Condensing Tankless Water Heaters

19” Horizontal Termination Diverter Kit for Condensing Tankless Water Heaters Rinnai RCi Series Tankless Water Heaters utilize concentric venting with an inner pipe that is designed to withstand varying flue temperature conditions that may be experienced over the life of a condensing product. The Ubbink Rolux® condensing concentric vent system is considered part of the direct vent tankless water heater, and has been tested and approved with the appliance by a third party testing agency. Plastic Outer Ven...