Noritz NRC98DVNG Indoor Condensing Direct Vent Tankless Water Heater (Standard Vent Convertible), max. 180,000 Btuh, 9.8 Gpm - Natural Gas;

The NORITZ NRC98DV tankless water heater is at the forefront of modern high efficiency water heating.  It's advance heat exchanger is produced from commercial grade K-Copper which is 25% thicker than competitive models allowing for superior durability.  With flow rates up to 9.8 gallons per minute the NRC98DV delivers the highest flow rates in it category and can be vented using 3" or 4" Schedule 40/80 PVC, PP or CPVC.  Various adapters and terminations are available to allow for a wide array of venting options.  This unit is also Quick Connect compatible meaning you can link two identical units together for additional capacity and redundancy (Component QC-2 required). This unit ships complete with controller and 6' power cord.  IK-WV-200-1-XX-LF valve kit (required for installation) is sold separately.  Common companion items include rain cap (PRC-1), atmospheric conversion kit (SVCK-3) and horizontal termination/intake PVT-HL.