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Noritz N-0531S 59W Freeze Tankless Water Heater

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Noritz N-0531S Details
Noritz 59W Freeze Tankless Water Heater

Nortiz's NR66 series is perfect for apartments, condominiums and townhouses with 1-2 showers. When properly sized, they provide an endless supply of hot water and are designed to be more efficient than traditional tank-type water heaters. These compact heaters will save space without compromising power. Built-in features include safety lock-out, freeze protection, and high elevation adjustment. PVC CANNOT be used for venting.

Features

  • Safety Devices: Flame Rod, Thermal Fuse, Lightning Protection Device (ZNR), Overheat Prevention Device, Freezing Prevention Device, Fan Rotation Detector
  • Safety lock out - Default max. 120 degrees (refer to owner's manual for higher temp)
  • Standard burner - High performance single flame burner
  • Fully modulating burner - Automatically adjusts burner level accordingly
  • Turbo Flow - Up to 6.6 GPM @ 35 degree temperature rise (5.3 GPM @ 45 degree rise)
  • 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
  • Resin coated PC board - Increases durability and protection from elements
  • Thermal efficiency for all models: 83%
  • Self-diagnostic onboard computer system
  • Battery back-up compatible
  • Recirculation compatible
  • Qualifies For Up To $1,500 Tax Credit (2009-2010 only)
  • WARNING!!! PVC cannot be used for venting. only Category III (3" stainless steel venting)

Accessories

  • Isolation valves (IK-WV-4)
  • Outdoor vent cap (VC-3) for N-0531S
  • Pipe cover (PC-1S)
  • Remote controller (RC-7649M; for Canada RC-7650M)
  • Remote controller cord (10': RC-CORD10; 26': RC-CORD26)
  • Remote controller outdoor junction box (RC-OJB)
N-0531S Specifications

Air Supply/Exhaust Type: Power Vented
Capacity Range: 0.5-6.6 Gal./min.
Casing Materials: Zincified Steel Plate/Polyester Coating
Color: White
Consumption: 59W Freeze Prevention 141W
Default Temperature Options (Deg): 120, 130, 140 F (Original is 120 F)
Depth: 6-5/7
Energy Star Compliant: Yes
Flue Collar Materials: Stainless Steel
Fuel Type: Liquid Propane, Natural Gas
Gas Inlet: 3/4"
Heat Exchanger Materials: Copper Sheeting, Copper Tubing
Height: 20-1/2
Hot Water Outlet: 3/4"
Ignition Direct: Ignition
Installation Type: Indoor/ Outdoor, Wall Mounted
Max Gas Consumption: 140,000 BTU/Hr
Maximum Hot Water Capacity: 45 degree F Rise, 5.3 Gal./min.
Min Gas Consumption: 20,000 BTU/Hr
Minimum Flow Rate: 0.5 GPM
Operating Pressure: 15-150 psi
Supply: 120 VAC (60Hz)
Temperature Settings (Deg): 100-150 F (In 5 F intervals), 160 F (12 Options)
Thermal Efficiency: 83%
Water Holding Capacity: 0.2 Gallon
Water Inlet: 3/4"
Weight: 36
Width: 13-4/5

N-0531S is listed under the following SKUs

N-0531S-LP
Liquid Propane
N-0531S-NG
Natural Gas

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Noritz N-0531S Reviews
Noritz N-0531S Questions and Answers

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1 Question | 1 Answer
Displaying question 1
  • Q:

    switching from NG to LP, do I have to orfice
    I have model n-531s
    Asked on 10/16/2013 by Kenny from LAKELAND, FL

    1 answer

    • CUSTOMER CARE

      A:

      We do not sell conversion kits for Noritz.

      Answered on 10/22/2013 by Anonymous
Displaying question 1

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