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Noritz NC199-OD Outdoor Tankless Gas Water Heater

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Noritz NC199-OD Details
Noritz Outdoor Tankless Gas Water Heater

With more power than any tankless water heater in its class, the NC199 series is ideal for mid-size homes with up to 4 showers. Built-in features include safety lock-out, freeze protection, and high elevation adjustment. PVC CANNOT be used for venting.


  • Safety lock out - Default max. 120 degrees (refer to owner's manual for higher temp)
  • Dual flame burner - Noritz exclusive! Minimizes temperature fluctuations
  • Fully modulating - Automatically adjusts burner level accordingly
  • Turbo Flow - Up to 9.8 GPM @ 35 degree temperature rise (7.5 GPM @ 45 degree rise)
  • Quick Connect - Doubles the output by connecting two identical heaters
  • Direct ignition - No standby pilot light
  • Thermal fuse - Automatic overheat protection system
  • Resin coated PC board - Increases durability and protection from elements
  • Automatic air regulator - Monitors internal temperature/maximizes burner efficiency
  • Commercial grade heat exchanger - 25% thicker piping than competition
  • Self-diagnostic onboard computer system
  • Back-up battery compatible
  • Recirculation compatible
  • Digital remote included
  • WARNING!!! PVC cannot be used for venting. Use only Category III (4" stainless steel venting)


  • Isolation valves (IK-WV-7-TH or IK-WV-7-SW)
  • Outdoor vent cap (VC-4-1) for NC199-SV model only
  • Pipe cover (NC199-DVC use PC-5S)
  • Remote controller outdoor junction box (RC-OJB)
  • ScaleShield (SS-HB-1)
  • Quick-connect cable (QC-1)
  • Recess box (RB-700) for NC199-OD model only
NC199-OD Specifications

Fuel Type: Liquid Propane, Natural Gas
Temperature Settings: 100-180oF (14 options)
Thermal efficiency for all models: 84%

NC199-OD is listed under the following SKUs

Liquid Propane
Natural Gas

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