NORITZ Residential Outdoor Condensing Natural Gas Tankless Water Heater 140000 BTUH 6.6 GPM

Our NR66 series is perfect for apartments, condominiums and townhouses with 1-2 showers. When properly sized, they provide an endless supply of hot water and are designed to be more efficient than traditional tank-type water heaters. These compact heaters will save space without compromising power. Built-in features include safety lock-out, freeze protection and high elevation adjustment. This outdoor model does not require any additional vent pieces|No venting is required for this outdoor model|Standard burner high performance single flame burner|Turbo flow - up to 6.6 GPM at 35 degree temperature rise (5.3 GPM at 45 degree rise)|Power supply 120 VAC (60 Hz)|83% thermal efficiency|Exhaust vent material requirements are category iii stainless steel|Exhaust vent diameter requirements 3 in.|Hot water connection size 3/4 in.|Cold water connection size 3/4 in.|Gas connection size 3/4 in.|For outdoor installations only