N-0531S-OD NR66-OD-NG Noritz 5.3 GPM Outdoor Natural Gas Tankless Water Heater - NG

Our 531 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. These units also offer several innovations:

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.

MODEL INSTALLATION WARRANTY
N-0531S Indoor/Outdoor 12yr/5yr parts/1yr labor
N-0531S-OD Outdoor 12yr/5yr parts/1yr labor


>> Available in Natural Gas (NG) and Propane (LP) models only.

>> Temperature Settings: 100-160oF (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).

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Noritz N-0531S-OD Owners Manual

Noritz N-0531S Owners Manual