Tankless Water Heaters

Noritz NR98 Series Residential Tankless Water Heater

Noritz 0751 Series Residential Tankless Water Heater

With more power than any tankless water heater in its class, the NR98 is ideal for mid-size homes with up to 4 showers. Built-in features include safety lock-out, freeze protection, and high elevation adjustment.

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!  Increases performance and efficiency.

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


MODEL INSTALLATION WARRANTY ENERGY FACTOR (EF)*
Natural Gas (NG) Propane (LP)
NR98-SV Indoor/Outdoor 12yr/5yr parts 0.83 0.83
NR98-OD Outdoor 12yr/5yr parts 0.82 0.86
NR98-DVC Indoor 12yr/5yr parts 0.82 0.84
*Energy Factor (EF) is a measurement of relative energy efficiency for a water heater; the higher the EF, the more energy efficient the water heater.
  • Available in Natural Gas (NG) and Propane (LP) models only.
  • Temperature Settings: 100-180oF (14 options)
  • Thermal efficiency for all models: 84%
  • Self-diagnostic onboard computer system
  • Back-up battery compatible
  • Recirculation compatible
  • Digital remote included

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