Designed for wall-hung installation indoors or outdoors, the N-069M Medium+ residential tankless gas water heater delivers 6.9 gallons per minute. The heater also features a TurboFlow capability that allows it to produce 7.9 gpm within a 35-degree temperature rise. The unit is covered by a 10-year warranty. 866.766.7489. www.noritzamerica.com. Circle 175