A.O. Smith TJV-120M & TJV-200M Installation and Piping Guide

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MANIFOLDING OF MODEL TJV-120M & TJV-200M TANKS

A.O. SMITH TJV-120M & TJV-200M TANKS WITH:

PART NO. 170354 FOR TWO TANK MANIFOLD KIT

PART NO. 170355 FOR THREE TANK MANIFOLD KIT

NOTE: PIPE SIZES BETWEEN MANIFOLDS AND BOILER(S) TO BE SELECTED FROM THE CER-TEMP 80 DIAGRAM FOR THE HEATER MODEL TO BE INSTALLED.

ALL PIPING FROM TEES TO BE EQUIDISTANT TO TANKS.

INSTALL IN ACCORDANCE WITH ALL LOCAL CODES.

*PRESSURE RELIEF VALVE RATING SHOULD NOT EXCEED PRESSURE CAPACITY OF ANY COMPONENT IN THE SYSTEM. PIPE RELIEF VALVES TO OPEN DRAIN.

NOTE: METRIC SIZING IS FOR COMPARISON ONLY - ALL UNITS CONSTRUCTED WITH TANK FITTING MEASURED IN INCHES.

**TANK TEMPERATURE CONTROL SHOULD BE LOCATED APPROXIMATELY 6" ABOVE PATH OF WATER ACROSS BOTTOM OF TANK AND ON SAME SIDE AS RETURN LINE FROM BOILERS. IF TANK OPENING NOT AVAILABLE, USE REMOTE BULB CONTROL.

FIGURE 24

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Contents TM Models DB/DW-720-1810 Installation Operation Maintenance Limited WarrantyReplacement Parts ContentsForeword Installation Clearances ROUGH-IN Dimensions CapacitiesLevelling Pressure Drop Electronic Intermittent Pilot Ignition Control FeaturesSafety Relief Valves Manual Reset High Temperature Safety Limit ControlDual Stage Models only HIGH/LOW Operator Automatic Reset High Temperature Limit ControlSafety Flow Switch Thermal BalancerAIR Requirements Installation InstructionsRequired Ability LocationDraft Hood Venting the BoilerVent Connection GAS Connections Connecting Boiler to a Common VentCorrect GAS PurgingExample High Altitude InstallationsWiring Connections Conventional InstallationsSystems Equipment Installation Circulating Pump Must be Properly Sized for Your Application Circulating PumpLOW Water Cutoff System InstallationTank Temperature Control Conventional Space Heating InstallationInstallation 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 Pilot Burner PrecautionsChecking and Adjusting the Input Internal ContaminantsTROUBLE-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 Relief Valve General MaintenanceVenting Maintenance Heat Exchanger Preventive MaintenanceRemoval of AN Existing Boiler from a Common Venting System Deliming SolventsRemoving Light Deposits of Scale Mechanical Removal of DepositsDURA-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.