A.O. Smith GDVT instruction manual Drain Valve Washer Replacement

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Before removing the anode: 1) the tank water should be cool, 2) the cold water shut off valve must be closed, and 3) water pres- sure must be relieved by opening a nearby faucet.

DRAIN VALVE WASHER REPLACEMENT

(See Figure 30)

1.Turn “OFF” gas supply to water heater.

2.Follow “Draining” instructions.

3.Turning counterclockwise ( ), remove the hex cap below the screw handle.

4.Remove the washer and put the new one in place.

5.Screw the handle and cap assembly back into the drain valve and retighten using a wrench. DO NOT OVER TIGHT- EN.

6.Follow instructions in the “Filling The Water Heater” section.

7.Check for leaks.

8.Follow the lighting instructions in the “Lighting” section to restart the water heater.

FIGURE 30

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Contents Residential GAS Water Heaters Important Definitions Safe INSTALLATION, USE and ServiceGeneral Safety Introduction Table of ContentsKeep Clear of ALL Obstructions GET to Know Your Water Heater Replacement Parts Typical InstallationHotter Water can Scald Mixing Valve UsageFacts to Consider about the Location Locating the NEW Water HeaterVentilation for Appliances Located in Confined Spaces Insulation BlanketsVent Termination Required Ability Installing the NEW Water HeaterInspect Shipment GeneralValve and Pipe Insulation if Supplied TEMPERATURE-PRESSURE Relief ValveClosed Water System Water Potable Heating and Space HeatingGAS Piping GAS Piping with Flexible Connector Sediment Traps Filling the Water Heater High Altitude InstallationsVenting Vent Terminal Clearances Combustion AIR and VentilationLocating Clearance Hole for Vent Vent ConnectionsHigh Rise Vent Arrangement Securing Vent Termination Assembly to the Exterior Wall Vent AssemblyStandard Vent Arrangement Uncompressing the Corrugated TubingMinimum Offset Vent ArrangementFigure D TOP KnobTemperature Regulation Temperature RegulationExternal Damage For Your InformationStart UP Conditions Operational Conditions AIR in HOT Water Faucets Venting System Inspection MaintenancePilot and Main Burner Anode ROD Maintenance Temperature & Pressure Relief ValveDraining Cathodic Protection AnodeDrain Valve Washer Replacement Leakage Checkpoints ServiceProblem Possible Causes Correction Troubleshooting GuidelinesERY Slow HOT Water RecovDrip from Relief Valve Thermostat Fails toPage XCV, XCVL, XCVH, XVR Series Tank PartsXCVT, Xcvx Conditions and ExceptionsClaim Procedure Service and Labor ResponsibilityInstallation Information Limitation on Implied WarrantiesTennessee Waltz Parkway Ashland CITY, TN