Noritz NR981-OD 9.8 GPM Outdoor Natural Gas Tankless Water Heater
Get energy-efficient, endless, hot water at a low installation cost.
With more power than any other tankless water heater in the same class, the NR981 is perfect for mid-sized homes that have up to 4 showers. Other features include high elevation adjustment, safety lock-out, and freeze protection. PVC CANNOT be used for venting.