A.O. Smith GPVH-50, GPVX-50, 315465-000, GPVR-50, GPVR-40 Series 102, 185237-004 Mixing Valve Usage

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TYPICAL INSTALLATION

MIXING VALVE USAGE

FIGURE 2.

This appliance has been design certified as complying with American National Standard/CSA Standard for water heaters and is considered suitable for:

Water (Potable) Heating and Space Heating: All models are considered suitable for water (potable) heating and space heating.

HOTTER WATER CAN SCALD:

Water heaters are intended to produce hot water. Water heated to a temperature which will satisfy space heating, clothes washing, dish washing, and other sanitizing needs can scald and permanently injure you upon contact. Some people are more likely to be permanently injured by hot water than others. These include the elderly, children, the infirm, or physically/mentally handicapped. If anyone using hot water in your home fits into one of these groups or if there is a local code or state law requiring a certain temperature water at the hot water tap, then you must take special precautions. In addition to using the lowest possible temperature setting that satisfies your hot water needs, a means such as a *Mixing Valve, should be used at the hot water taps used by these people or at the water heater. Mixing valves are available at plumbing supply or hardware stores. Consult a Qualified Installer or Service Agency. Follow mixing valve manufacturer’s instructions for installation of the valves. Before changing the factory setting on the thermostat, read the “Temperature Regulation” section in this manual, see Figure 19.

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Contents Residential GAS Water Heaters Power Vented GAS Models with HOT Surface IgnitionImportant Definitions Safe INSTALLATION, USE and ServiceGeneral Safety Introduction Table of ContentsKeep Clear of ALL Obstructions Propane HOT Surface Igniter & Main Burner Typical InstallationDrain Pan Natural HOT Surface Igniter & Main BurnerMixing Valve Usage Facts to Consider about the Location Locating the NEW Water HeaterInsulation Blankets ALL AIR from Outdoors See Figures 7, 8 ALL AIR from Inside Buildings SeeThermal Expansion Installing the NEW Water HeaterWater Piping Closed Water SystemsValve and Pipe Insulation if supplied TEMPERATURE-PRESSURE Relief ValveGAS Piping GAS Piping with Flexible ConnectorFilling the Water Heater Blower Assembly InstallationSequence of Installation Sediment TrapsVenting and Installation Vent Connections to Blower AssemblyMaximum and Minimum Vent Lengths CondensateVenting Vent Terminal InstallationVertical Vent Through Roof Vertical Vent Termination RestrictionsRecommended BRUSH* Size for Primer Cement Applications Vent Pipe PreparationStep G Step BStep E Step FPage GAS Control Valve Front View Temperature RegulationStart UP Conditions For Your InformationBurner Operation and Inspection Periodic MaintenanceBurner Cleaning Venting System InspectionDraining TEMPERATURE-PRESSURE Relief Valve OperationDrain Valve Washer Replacement Anode ROD InspectionLeakage Checkpoints ServiceNot Shown Optional Repair Parts ListTrouble Shooting Troubleshooting GuidelinesPage Troubleshooting Guidelines Limitation on Implied Warranties Service and Labor ResponsibilityClaim Procedure Conditions and Exceptions