A.O. Smith DB/DW-720-1810 warranty Npt

Page 29

TWO DURA-MAX (MODEL DW) HOT WATER SUPPLY BOILERS WITH VERTICAL TANK

CAUTION

TO PREVENT CONDENSATION THE MINIMUM BOILER INLET TEMPERATURE IS 100°F (38°C)

SEE PAGE 31 FOR ADDITIONAL

PIPING INFORMATION.

29

Guide To Pipe and Pump Sizing

Two (2) Boiler Systems

 

 

Common

 

 

 

Manifold Pipe

Boiler Pipe Size

 

Model

Size "A" (Min.)

"B" (Min.) and Pump

720, 840

2-1/2"

 

 

 

NPT

See Table 7

 

960-1810

3"

 

 

 

NPT

 

IMPORTANT

THE INSTALLATION OF SAFETY FLOW SWITCHES AS SHOWN IS REQUIRED TO PROTECT THE BOILER IN CASE OF WATER SERVICE INTERRUPTION OR CIRCULATOR FAILURE.

NOTE: THERMOMETERS, RELIEF VALVES,CIRCULATORS, SAFETY FLOW SWITCHES AND TANK CONTROLS ARE AVAILABLE THROUGH A.O.SMITH.

CAUTION

PUMP MUST BE RATED FOR SYSTEM OPERATING TEMPERATURE AND PRESSURE.

*SAFETY RELIEF VALVE RATING SHOULD NOT EXCEED PRESSURE CAPACITY OF ANY COMPONENT IN THE SYSTEM.

INSTALL IN ACCORDANCE WITH ALL LOCAL CODES.

+BALL VALVES ARE SHOWN FOR SERVICING BOILER, HOWEVER, LOCAL CODES SHALL GOVERN THEIR USAGE.

Pipe and pump capacities for two (2) boiler systems

ALL PIPING MUST BE SUPPORTED.

based on 100 equivalent feet (30 meters) heater to

FIGURE 22

tank loop.

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Contents TM Models DB/DW-720-1810 Installation Operation Maintenance Limited WarrantyForeword ContentsReplacement Parts Levelling ROUGH-IN Dimensions CapacitiesInstallation Clearances Pressure Drop Safety Relief Valves FeaturesManual Reset High Temperature Safety Limit Control Electronic Intermittent Pilot Ignition ControlSafety Flow Switch Automatic Reset High Temperature Limit ControlThermal Balancer Dual Stage Models only HIGH/LOW OperatorRequired Ability Installation InstructionsLocation AIR RequirementsVent Connection Venting the BoilerDraft Hood GAS Connections Connecting Boiler to a Common VentCorrect GAS PurgingWiring Connections High Altitude InstallationsConventional Installations ExampleSystems Equipment Installation Circulating Pump Must be Properly Sized for Your Application Circulating PumpTank Temperature Control System InstallationConventional Space Heating Installation LOW Water CutoffInstallation AS Boiler Replacement DB InstallationPage LINEAR-TEMP Space Heating Applications LINEAR-TEMP Space Heating InstallationsDuraMax Pump Performance Requirements Thermometer Pressure Gauge Safety Flow SwitchONE Boiler LINEAR-TEMP System Page Page Page Page Page Page ONE DURA-MAX Model DW Commercial Boiler with Vertical Tank Hard Water ConditionsONE DURA-MAX Model DW Commercial Boiler with Horizontal Tank NPT NPT Manifolding of Model TJV-120M & TJV-200M Tanks START-UP and Operating Instructions For Your Safety Read Before Operating Checking and Adjusting the Input PrecautionsInternal Contaminants Pilot BurnerTROUBLE-SHOOTING PRE-TROUBLE-SHOOTINGYES No Spark AT Pilot BurnerSpark AT Pilot Burner but Pilot will not Light Pilot Burner Lights but Main Burner does not Light Venting Maintenance General MaintenanceHeat Exchanger Preventive Maintenance Relief ValveRemoving Light Deposits of Scale Deliming SolventsMechanical Removal of Deposits Removal of AN Existing Boiler from a Common Venting SystemDURA-MAX Limited Warranty Page Page Replacement Parts

DB/DW-720-1810 specifications

A.O. Smith has a longstanding reputation for quality and innovation in the water heater industry, and the DB/DW-720-1810 model exemplifies these values. This particular water heater is designed to provide reliable hot water, making it suitable for both residential and commercial applications. Its impressive features and cutting-edge technologies set it apart from conventional models.

One of the primary features of the A.O. Smith DB/DW-720-1810 is its energy efficiency. It operates using advanced insulation technologies, minimizing heat loss and promoting energy savings. This model is designed with a high-efficiency burner that substantially reduces energy consumption while maintaining optimal performance. It also complies with industry standards for energy efficiency, ensuring that users can enjoy lower utility bills without sacrificing comfort.

The DB/DW-720-1810 is equipped with a robust tank designed to hold an ample supply of hot water. With a capacity of 75 gallons, it is ideal for households with high demand, such as multi-bathroom residences or commercial establishments. This large capacity ensures that hot water is readily available for various activities, from bathing to cleaning.

User control is another notable characteristic of the A.O. Smith DB/DW-720-1810. The model features an intuitive digital display that allows users to monitor and set water temperatures easily. This interface not only enhances usability but also promotes safety, preventing scalding by allowing users to adjust the temperature to their preference.

Durability is a key consideration in the DB/DW-720-1810’s design. It is built with high-quality materials and features a corrosion-resistant tank, ensuring longevity even in challenging water conditions. This resilience is further supplemented by A.O. Smith's advanced anode rod technology, which helps battle corrosion and extends the lifespan of the water heater.

Lastly, maintenance is simplified with this model. A.O. Smith has designed the water heater for easy access to serviceable parts, making routine maintenance more convenient and less time-consuming. Coupled with warranty options that provide peace of mind, the DB/DW-720-1810 stands out as a dependable choice.

In summary, the A.O. Smith DB/DW-720-1810 combines energy efficiency, significant capacity, user-friendly controls, durability, and low maintenance needs, making it an exceptional option for those needing a reliable hot water solution.
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