Rheem RTEX-18 18kW 240V Electric Tankless Water Heater

Electric Tankless Water heaters User Manual - Page 3

For RTEX-18.

PDF File Manual, 36 pages, Read Online | Download pdf file

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ABOUT YOUR TANKLESS WATER HEATER
Congratulations on the purchase of your Electric Tankless Water Heater! You have purchased the most
technologically-advanced electric tankless water heater on the market today.
Your new electric tankless water heater features advanced water flow rate and temperature sensors designed to
modulate power to the heating elements to maintain a user-selected output water temperature between 80°F
(27°C) and 140°F (60°C) (subject to incoming water temperature and power of the selected heaters).
To get the best performance and energy savings from your electric tankless water heater, it is important that it
be installed in accordance with our instructions and the electrical and plumbing codes applicable to your area,
and that you read this manual thoroughly for important operating instructions and tips.
If you have questions at any time, please contact us directly at:
Manufacturers National Service Department
400 Captain Neville Dr. Waterbury, CT 06705 Phone: 1-(800)-374-8806.
CONTENTS
1. BEFORE INSTALLATION
2. SELECTING A LOCATION TO INSTALL
3. MOUNTING YOUR WATER HEATER
4. PLUMBING INSTALLATION
5. ELECTRICAL INSTALLATION
6. SIZING GUIDE
7. GENERAL OPERATING INSTRUCTIONS
8. MAINTENANCE
9. TROUBLE SHOOTING GUIDE
10. USER INTERFACE
1- BEFORE INSTALLATION
PLEASE READ THESE INSTRUCTIONS THOROUGHLY AND COMPLETELY PRIOR TO INSTALLATION & USE.
FAILURE TO FOLLOW INSTRUCTIONS COULD CAUSE PROPERTY DAMAGE, SERIOUS PERSONAL INJURY, OR
DEATH.
By installing this product, you acknowledge the terms of the manufacturer’s warranty. Once the heater is
installed, do not return product to the place of purchase. If you have any questions regarding the warranty or
product return policies, please contact Manufacturer’s national service department at 1-(800) 374-8806.
Inspect all components. The contents of your box should include one of the following units:
8kW
11kW
13kW
18kW
24kW
27kW
36kW
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