Free residential service call with any repair during normal business hours

CSI Mechanical

   (704) 600-6267

Serving Shelby, NC Metro Since 2010



  • Technical Specifications


    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)


    58 lbs.

    Gas Consumption

    Max: 199,900 btuh
    Min: 16,000 btuh

    (NG & LP)

    Natural Gas/Propane

    Capacity Range

    0.5 – 9.8 GPM

    Thermal Efficiency


    Temperature Settings

    100°F – 185°F (IN 5° F Intervals)


    .88 (LP) | .84 (NG)


    Recirculation compatible
    Multi-system up to 6 units



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.