A.O. Smith Warranty and Information for Electric Water Boilers

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DURA-POWER MODELS NW 37- 670

COMMERCIAL ELECTRIC WATER BOILERS

Installation Operation Service Maintenance Limited Warranty

STANDARD

FLOOD WARNING

IF THE BOILER SHOULD BECOME IMMERSED IN WATER AT ANY TIME, THE BOILER SHOULD BE EXAMINED BY A COMPETENT SERVICE PERSON BEFORE IT IS RETURNED TO SERVICE.

CAUTION

TEXT PRINTED OR OUTLINED IN RED CONTINS INFORMATION RELATIVE TO YOUR SAFETY. PLEASE READ THOROUGHLY BEFORE INSTALLING AND USING THE APPLIANCE.

A DIVISION OF A.O. SMITH CORPORATION

RENTON, WASHINGTON

www.hotwater.com

PLACE THESE INSTRUCTIONS ADJACENT TO THE BOILER AND NOTIFY OWNER TO KEEP FOR

FUTURE REFERENCE.BE SURE THAT THE WARRANTY INFORMATION

HAS BEEN FILLED IN ON COMPLETION OF INSTALLATION.

PRINTED IN U.S.A. 0004G 0900

PART NO. 60047-002 REV.2

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Contents DURA-POWER Models NW 37 Sizes and Data 45KW Thru 720KW Dimensional DataSizes and Data 780KW Thru 3300KW Water Boiler Specifications ELECTRICAL/RECOVERY DataModel and Rating Plate Foreword FeaturesApprovals GroundingInstallation Calculating Amperage/Overcurrent Protection Power CircuitBoiler Circuits Control CircuitElectrical Configuration Table Typical Wiring DiagramsFailure to clean the system may cause System CleaningOperation FillingMaintenance System Water Test ChecklistClaim Procedure Service and Repair ExpenseTank ALL Other Parts

NW 37-670 specifications

A.O. Smith NW 37-670 is a highly regarded water heater that stands out in the residential water heating market. Renowned for its efficiency and reliability, this unit offers homeowners a perfect blend of advanced technology, high performance, and convenience.

One of the main features of the A.O. Smith NW 37-670 is its high recovery rate, which allows for rapid heating of water to meet the demands of a busy household. With a 37-gallon tank capacity, this model can effectively supply hot water for various applications, such as showers, dishwashing, and laundry. The design incorporates a powerful heating element that ensures the water is heated quickly, thus minimizing wait times and improving overall comfort.

Efficiency is a cornerstone of the NW 37-670's design. This water heater features an impressive Energy Factor (EF), which translates to lower energy bills for homeowners. A.O. Smith has integrated advanced insulation materials to maintain water temperature longer, reducing the energy required for reheating. This not only helps in cutting down costs but also promotes eco-friendliness, making it an excellent option for environmentally conscious consumers.

The technology behind the A.O. Smith NW 37-670 includes a state-of-the-art electronic control system. This system continuously monitors the unit's performance and adjusts operations to optimize efficiency. Additionally, the water heater is equipped with a robust diagnostic system that provides real-time feedback, making it easier for homeowners to identify any potential issues before they escalate.

Durability is another defining characteristic of the NW 37-670. Constructed with high-quality materials, including a glass-lined tank for added protection against corrosion, this water heater is designed to last for years with minimal maintenance. The anode rod further enhances its longevity by reducing the potential for rust and increases the lifespan of the unit.

Installation and maintenance are straightforward due to the user-friendly design of the A.O. Smith NW 37-670. It can fit into various spaces, making it a versatile option for both new constructions and replacement projects. A.O. Smith also provides comprehensive support and warranty services, ensuring customer satisfaction and peace of mind.

In summary, the A.O. Smith NW 37-670 is a top-tier water heater that combines efficiency, advanced technology, and durable construction. With its substantial capacity, rapid recovery rate, and modern control features, it is an excellent choice for any home looking for dependable hot water solutions.