Noritz NC1991-OD 9.8 GPM Outdoor Liquid Propane Condensing Tankless Water Heater


Weight: 56.00 lbs

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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 can not be used for venting.


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.


Unit Dimensions 23.6” (H) x 13.8” (W) x 9.4” (D)
Weight 54 lbs.
Gas Consumption Min: 16,000 btuh
Max: 199,900 btuh
(NG & LP) Natural Gas/Propane
Capacity Range 0.5-9.8 Gal./min.
Energy Factor LP: .88 NG:.82
Temperature Settings 100-150° F (in 5° F Intervals) 160° F 170° F 185° F
Notes Recirculation compatible
Multi-system up to 6 units

Technical specifications
Install manual
Owner's manual

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Apr 13, 2016
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