

Get an energy efficient, endless, hot water heater that puts your safety first.
With more power than any other tankless water heater in the same class, the NC199 series is perfect for mid-sized homes with up to 4 showers. Features include high elevation adjustment, safety lock-out and freeze protection.
Note: PVC cannot be used for venting.
Features
• Thermal fuse - Automatic overheat protection.
• Direct ignition - No standby pilot light.
• Resin coated PC board - Increased durability and protection from elements.
• Safety lock out - Default max. 120° (adjustable)
• Dual flame burner - Minimizes temperature fluctuations.
• Fully modulating - Adjusts the burner level automatically.
• Turbo Flow - Up to 9.8 GPM at 35° temperature rise (7.5 GPM at 45° rise).
• Commercial grade heat exchanger - 25% thicker piping than other heaters.
• Automatic air regulator - Monitors internal temperature and maximizes burner efficiency.
• Quick Connect - Doubles output by connecting two identical heaters.
Specifications
Installation | Indoor |
Unit Dimensions | 23.6” (H) x 13.8” (W) x 11” (D) |
Weight | 58 lbs. |
Gas Consumption | Max: 199,900 btuh Min: 16,000 btuh |
(NG & LP) | Natural Gas/Propane |
Capacity Range | 0.5-9.8 Gal./min. |
Energy Factor | LP: .88 NG: .84 |
Capacity Range | 0.5-9.8 Gal./min. |
Notes | Recirculation compatible Multi-system up to 6 units |
• Technical specifications
• Install manual
• Owner's manual