A.O. Smith DB/DW-720-1810 warranty Pilot Burner Lights but Main Burner does not Light

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PILOT BURNER LIGHTS BUT MAIN BURNER DOES NOT LIGHT

Correct the situation by consulting

 

NO

 

 

the installation or user’s manual

 

 

Does the pilot flame cover 3/8° to 1/2"

on how to adjust pilot flame.

 

 

(10 mm to 12 mm) of igniter/sensor rod?

 

 

 

 

YES

Replace ignition module.

Attach wires firmly.

NO

NO

NO

Is voltage (24 Vac) across terminals MV and MV/PV?

YES

Are the wires securely attached to the main valve operator on the gas control and to terminals MV and MV/PV on ignition module?

Does spark stay on for more than 30 seconds after the pilot is “proven” (lit)?

YES

YES

Replace main gas valve.

Replace cable and/or ground wire.

Replace pilot burner.

NO

NO

Ensure the ground wire and igntion cable are separate from each other (prevents shorting out).

Are they in good condition (not brittle, burnt or cracked?

YES

Is the ceramic insulater surrounding the igniter/sensor rod in good condition (not broken or cracked)?

YES

 

 

 

 

Clean rod or replace

 

NO

Is the igniter/sensor rod in good condition

pilot burner if necessary.

 

 

(not worn, corroded, sooted or damaged)?

 

 

 

 

 

 

YES

Replace ignition module.

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Contents Installation Operation Maintenance Limited Warranty TM Models DB/DW-720-1810Foreword ContentsReplacement Parts Levelling ROUGH-IN Dimensions CapacitiesInstallation Clearances Pressure Drop Manual Reset High Temperature Safety Limit Control FeaturesSafety Relief Valves Electronic Intermittent Pilot Ignition ControlThermal Balancer Automatic Reset High Temperature Limit ControlSafety Flow Switch Dual Stage Models only HIGH/LOW OperatorLocation Installation InstructionsRequired Ability AIR RequirementsVent Connection Venting the BoilerDraft Hood Connecting Boiler to a Common Vent GAS ConnectionsPurging Correct GASConventional Installations High Altitude InstallationsWiring Connections ExampleSystems Equipment Installation Circulating Pump Circulating Pump Must be Properly Sized for Your ApplicationConventional Space Heating Installation System InstallationTank Temperature Control LOW Water CutoffDB Installation Installation AS Boiler ReplacementPage LINEAR-TEMP Space Heating Installations LINEAR-TEMP Space Heating ApplicationsDuraMax Pump Performance Requirements Safety Flow Switch Thermometer Pressure GaugeONE Boiler LINEAR-TEMP System Page Page Page Page Page Page Hard Water Conditions ONE DURA-MAX Model DW Commercial Boiler with Vertical TankONE 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 Internal Contaminants PrecautionsChecking and Adjusting the Input Pilot BurnerPRE-TROUBLE-SHOOTING TROUBLE-SHOOTINGNo Spark AT Pilot Burner YESSpark AT Pilot Burner but Pilot will not Light Pilot Burner Lights but Main Burner does not Light Heat Exchanger Preventive Maintenance General MaintenanceVenting Maintenance Relief ValveMechanical Removal of Deposits Deliming SolventsRemoving Light Deposits of Scale 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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