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NR83 Series Residential Tankless Water Heaters

Noritz water heaters are world renowned for their efficiency and flexibility. Aside from the benefit of having an endless source of hot water, tankless water heaters save you an extra closet’s worth of space compared to a tank-type water heater, and they are small and wall-mounted in comparison to those bulky water heaters. They’ll also add versatility to your basement, garage, or utility room with the extra space you’ll have.
These tankless water heaters feature:

  • Designed for one to two bath homes
  • Space and energy efficient – Wall-hung unit with fully modulating dual burner design precisely tracks the needs of the system
  • 180,000 max BTU’s for up to 8.3 GPM flow at a 35 degree temperature rise – read more about temperature rise
  • Concentric venting offers simple, single penetration installation, allowing for more installation location options
  • Eco-Burner provides reduced NOX emissions
  • Dual flame burner minimizes temperature fluctuations
  • Fully modulating design and automatic air regulator monitors internal temperature and adjusts burner according to need, providing accurate and efficient response to hot water demands
  • Add a quick-connect cable to allow two units to link together to satisfy higher flow demands
  • Direct ignition means no standby pilot light to waste energy
  • Commercial grade heat exchanger for superior durability
  • Self-diagnostic onboard computer system, combined with the included digital remote, provides ease of maintenance and temperature adjustment
  • Battery back-up compatible
  • Recirculation compatible

Noritz NR83 Tankless Water Heater Specifications:

  • Thermal efficiency: 84%
  • Flow rate: 0.5-8.3GPM – click for flow rate chart
  • Outlet temperature has 9 temperature setting options from 100-140°F
  • Gas connection: 3/4″ NPT
  • Water connections: 3/4″ NPT
  • Water pressure min: 15psi, max: 150psi
  • Gas input min: 18,000 BTU, max: 180,000 BTU
  • Weight: 49 lbs
  • Air supply/exhaust: power vented
  • Ignition: electronic (no pilot light)
  • Electrical supply: 120V (60Hz)
  • Actual electrical consumption in Watts: NG: 82W, LP: 90W, freeze protection: 161W
  • Actual electrical draw in Amps: less than 2 Amp
  • Operation: 0.6 Amp
  • Standby mode: 0.06 Amp
  • Dimensions: 23.6″h x 13.8″w x 9.4″d
  • Uses Category III 3″ x 5″ concentric stainless steel venting
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