Rheem Residential Indoor Gas Tankless Water Heater installation instructions

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IMPORTANT SAFETY INFORMATION. READ ALL INSTRUCTIONS BEFORE USING

WARNING!

For your safety, the information in this manual must be followed to minimize the risk of fire or explosion, electric shock, or to prevent property damage, personal injury, or loss of life.

FOR INSTALLATIONS IN THE STATE OF CALIFORNIA

California Law requires that residential water heaters must be braced, anchored or strapped to resist falling or horizontal displacement due to earthquake motions. For residential water heaters up to 52 gallon capacity, a brochure with generic earthquake bracing instructions can be obtained from: Office of the State Architect, 400 P Street, Sacramento, CA 95814 or you may call 916-445-8100 or ask a water heater dealer.

However, applicable local codes shall govern installation. For residential water heaters of a capacity greater than 52 gallons or tankless-style, consult the local building jurisdiction code for acceptable bracing procedures.

SAFETY PRECAUTIONS

Have the installer show you the location of the gas shut-off valve and how to shut it off if necessary. Turn off the manual shut-off valve if the water heater has been subjected to overheating, fire, flood, physical damage or if the gas supply fails to shut off.

Read this manual entirely before installing or operating the water heater.

Use this appliance only for its intended purpose as described in this Use and Care Manual.

Be sure your appliance is properly installed in accordance with local codes and the provided installation instructions.

Part of your water heater unless it is specifically recommended in this manual. All other servicing should be referred to a qualified technician.

READ AND FOLLOW THIS SAFETY INFORMATION CAREFULLY.

SAVE THESE INSTRUCTIONS

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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 AtmospheresMounting the Water Heater Water Supply ConnectionsWater pressure is not recommended Govern the installation of relief valves Relief ValveGas Supply Leak TestingPressure Testing the Gas Supply System High AltitudeMaximum Vent Length VentingVenting Lengths Minimum Vent LengthVenting Through Closed Spaces Vent AdapterDraining the Condensate Horizontal Vent Terminal Location Additional Considerations