Tankless Water Heaters - Noritz Residential Tankless Water Heater - N-0531S-NG - Indoor / Outdoor, 3" Venting - Natural Gas

This product model changed to model NR66-SV-NG.

The 0531 series Noritz Residential Tankless Water Heater is perfect for apartments, condominiums and townhouses with 1-2 showers. Model N-0531S-NG provides up to 6.6 GPM @ 35 degree temperature rise and 5.3 GPM @ 45 degree rise. 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 water heaters will save space without compromising power. Available in Natural Gas models, this unit can be used as indoor / outdoor heater and vented horizontally or vertically. Built-in features include safety lock-out, freeze protection, and high elevation adjustment.

Noritz Tankless Water Heater - N-0531S-NG

Noritz Tankless Water Heater N-0531S-NG - Specifications
Model Name		N-0531S
Gas Type		Natural Gas
Gas Consumption		Max:140,000 BTU/Hr - Min:20,000 BTU/Hr
Thermal Efficiency		83%
Maximum Hot Water Capacity	45 degree F Rise	5.3 Gal./min.
Capacity Range		0.5-6.6 Gal./min.
Temperature Settings (Deg)		100-150 F (In 5 F intervals), 160 F (12 Options)
Default Temperature Options (Deg)		120, 130, 140 F (Original is 120 F)
Type	Installation	Indoor/ Outdoor, Wall Mounted
Type	Air Supply/Exhaust	Power Vented
Connection Sizes	Water Inlet	3/4"
	Hot Water Outlet	3/4"
	Gas Inlet	3/4"
Power Supply	Supply	120 VAC (60Hz)
Power Supply	Consumption	54W Freeze Prevention 141W
Materials	Casing	Zincified Steel Plate/Polyester Coating
	Flue Collar	Stainless Steel
	Heat Exchanger	Copper Sheeting, Copper Tubing
Ignition		Direct Ignition
Operating Pressure		15-150 psi
Minimum Flow Rate		0.5 GPM
Dimensions		20.5"H x 13.8"W x 6.7"D
Weight		36 lbs.
Water Holding Capacity		0.2 Gallon
Safety Devices		Flame Rod, Thermal Fuse, Lightning Protection Device (ZNR), Overheat Prevention Device, Freezing Prevention Device, Fan Rotation Detector
Accessories		Anchoring Screws

Noritz Tankless Water Heater Features:

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.
Available in Natural Gas (NG) models.
Temperature Settings: 100-160F (12 options)
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).

Noritz Tankless Water Heater 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 ft.: #RC-CORD10; 26 ft.: #RC-CORD26)
Remote controller outdoor junction box (#RC-OJB)

Tax Credit - Noritz Tankless Water Heater - N-0531S-NG

Noritz Tankless Water Heater N-0531S-NG Resources:

Noritz Tankless Water Heater N-0531S-NG Manual

Estimated Installation Costs*

$500 - $1200

*These costs are general installation estimates taken from recommended plumbers across the US. Installation costs will vary depending on the home’s current electrical, plumbing and ventilating conditions.

After your purchase, we will contact you with with an installation recommendation.