Rheem Residential Indoor Gas Tankless Water Heater Safety Information, Installation Instructions

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Safety Information

Safety Precautions. . . . . . . 3-6 LP Gas Models . . . . . . . . . . . 5

Installation Instructions

Location . . . . . . . . . . . . . . . . . 7

Water Connections. . . . . . 9-10

Gas Supply. . . . . . . . . . . . . . 11

High Altitude . . . . . . . . . . . .11

Venting . . . . . . . . . . . . . . 12.15

Electrical Connection. . . . . . 16

Typical Installation . . . . . . . .17

Pipe Insulation . . . . . . . . . . . 18

Installation Checklist . . . . . .19

Operating Instructions

Lighting Instructions . . . . . . 20 Water Temperature. . . . . 21, 22

Care and Cleaning

 

Maintenance

. . . 23

Housekeeping

23, 24

Vent Inspection

. . . .24

Burnner Inspection

24

Extended Shut-Down. . .

. . . 24

Draining

. . . 25

Troubleshooting Tips

 

Before You Call. . . . . . . . .

For Service . . . . . . . . . . . 26,27

Customer Service

Parts List . . . . . . . . . . . . . . . 28

FOR YOUR RECORDS

Write the model and serial numbers here:

#

#

You can find them on a label on the appliance.

Staple sales slip or cancelled check here.

Proof of the original purchase date is needed to obtain service under the warranty

READ THIS MANUAL

Inside you will find many helpful hints on how to use and maintain your water heater properly. A little preventive care on your part can save you time and money over the life of your water heater.

You'll find many answers to common problems in the Troubleshooting Guide. If you review the chart of Troubleshooting Tips first, you may not need to call for service.

READ THE SAFETY INFORMATION

Your safety and the safety of others are very important. There are many important safety messages in this manual and on your appliance. Always read and obey all safety messages.

This is the safety alert symbol. Recognize this symbol as an indication of Important Safety Information!

This symbol alerts you to potential hazards that can kill or hurt you and others.

All safety messages will follow the safety alert symbol and either the word DANGER , WARNING , CAUTION or NOTICE .

These words mean:

DANGER

An imminently hazardous situation

 

that will result in death or serious

 

injury.

WARNING

A potentially hazardous situation that

 

could result in death or serious injury

 

and/or damage to property.

CAUTION

A potentially hazardous situation that

 

may result in minor or moderate

 

injury.

Notice:

Attention is called to observe a

 

specified procedure or maintain

 

a specific condition.

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Contents Tankless Water Heater Care and Cleaning Safety InformationInstallation Instructions Troubleshooting TipsInstall and Properly Vent the Water Heater Water Temperature Setting Natural GAS and Liquefied Petroleum Models Read and Follow this Safety Information Carefully Installing the water heater LocationCombustion and Ventilation Air Corrosive AtmospheresWater pressure is not recommended Mounting the Water HeaterWater Supply Connections Govern the installation of relief valves Relief ValveGas Supply Leak TestingPressure Testing the Gas Supply System High AltitudeMaximum Vent Length VentingVenting Lengths Minimum Vent LengthDraining the Condensate Venting Through Closed SpacesVent Adapter Horizontal Vent Terminal Location Additional Considerations