NC1991

• TECHNICAL SPECIFICATIONS

  Indoor

  Indoor Unit Dimensions

  23.6” (H) x 13.8” (W) x 11” (D)

  Outdoor Unit Dimensions

  23.6” (H) x 13.8” (W) x 9.4” (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

  Notes

  Recirculation compatible
  Multi-system up to 6 units

• FULL DESCRIPTION

  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.

  These units offer several innovations:
  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 our competition.