Rheem AP13731 warranty N G E R

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IMPORTANT SAFETY INFORMATION READ ALL INSTRUCTIONS BEFORE USING.

!DANGER!

WATER TEMPERATURE SETTING

Safety and energy conservation are factors to be considered when selecting the water temperature setting of a water heater’s remote control. Water temperatures above 125°F (52°C) can cause severe burns or death from scalding. Be sure to read and follow the warnings outlined on the label pictured below.

Notice:

Display shows °F only.

!D A N G E R

HOT

BURN

Water temperature over 125°F can cause severe burns instantly or death from scalds.

Children, disabled and elderly are at highest risk of being scalded.

See instruction manual before setting temperature at water heater.

Feel water before bathing or showering.

Temperature limiting valves are available, see manual.

PRIORITY

°F

POWER

ON/OFF

Time/Temperature Relationship in Scalds

Water Temperature

Time To Produce a Serious Burn

120°F (49°C)

More than 5 minutes

125°F (52°C)

11/2 to 2 minutes

130°F (54°C)

About 30 seconds

135°F (57°C)

About 10 seconds

140°F (60°C)

Less than 5 seconds

145°F (63°C)

Less than 3 seconds

150°F (66°C)

About 11/2 seconds

155°F (68°C)

About 1 second

Table courtesy of Shriners Burn Institute

The chart shown above may be used as a guide

in determining the proper water temperature for your home.

!DANGER: Households with small children, disabled, or elderly persons may require a 120°F (49°C) or lower temperature setting to prevent contact with “HOT” water.

Maximum water temperature occurs while burner is on. To find water temperature being delivered, turn on a hot water faucet and place a thermometer in the water stream and read the thermometer.

(See page 27 & 28 for more details.)

The temperature of the water at the outlet of the water heater can be regulated by setting the temperature on Remote Control. The remote control was set at 100°F (38°C) before it was shipped from the factory.

The illustration to the bottom left illustrates the Remote Control and how to adjust the water temperature.

Notice: The factory setting allows operating temperatures between 100°F (38°C) and 120°F (49°C). Temperatures of up to 180°F (82°C) can be achieved with the MAIN (UMC-117) remote control and a dip switch adjustment. Only qualified service personnel should perform this adjustment. Only factory authorized remote control(s) should be used.

Higher (Hotter)

Lower (Cooler)

100 102 104 106 108 110 112 114 116 118 120* 125 130 135 140 150 160 170 180 °F 38 39 40 41 42 43 44 46 47 48 49* 52 54 57 60 66 71 77 82 °C

*Temperatures above 120°F (49°C) can be achieved by adjusting the dip switch. See page 35 for dip switch adjustment.

Notice: When this water heater is supplying general purpose hot water requirements for use by individuals, a thermostatically controlled mixing valve for reducing point of use water temperature is recommended to reduce the risk of scald injury. Contact a licensed plumber or the local plumbing authority for further information.

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Contents Tankless Water Heater That will result in death or serious You can find them on a label on the applianceInjury Installand Properly Vent the Water HEATER… N G E R Natural GAS and Liquefied Petroleum Models Read and Follow this Safety Information Carefully Installing the Indoor water heater Location of Indoor Water HeaterInstalling the Outdoor water heater Location of the Outdoor water heaterInstalling the water heater Combustion and Ventilation Air Indoor Water Heater OnlyCorrosive Atmospheres Inspect ShipmentMounting the Water Heater Water Supply ConnectionsRelief Valve Lines.ReliefLeak Testing Pressure Testing the Gas Supply SystemGas Supply High AltitudeVenting Venting LengthsMaximum Vent Length Minimum Vent LengthVent Adapter Venting Through Closed SpacesDraining the Condensate US Installations Horizontal Vent Terminal LocationIndoor Water Heater Additional ConsiderationsVent Horizontal Wall Thimble Installation Vertical Vent Installation Vertical Vent Termination LocationRemote Control Installation Remote ControlAvailability Model Number DescriptionInstalling the Main Remote Control Connecting the remote control to the water heaterPower Cord Indoor water heaters only Electrical ConnectionTypical Installation of Indoor Water Heater Not SuppliedInstalling the water heater Typical Installation of Outdoor Water HeaterHot and Cold Pipe Insulation Installation During Installation of this water heaterInsulation Blankets Do’sInstallation Check List Lighting the water heater To Turn OFF GAS to ApplianceSafety Precautions Water Temperature SettingTime/Temperature Relationship in Scalds Operating the water heaterWater Temperature Setting… Housekeeping Routine Preventative MaintenanceDrain heater. See Draining The Water Heater section on Burner Inspection Venting System InspectionVacation and Extended Shut-Down Draining the Water Heater Freeze ProtectionBefore You Call For Service… Indoor Water Heater Only Outdoor Water Heater OnlyReplacement Parts Instructions For Placing a Parts OrderTemperature Setting DIP Switch Adjustment If YOU Need Service