Eccotemp SHLX-LP Installation, Use And Care Instructions
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Eccotemp SHLX-LP Installation, Use And Care Instructions

Tankless water heater
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SHLX MANUAL
SMARTHOME TANKLESS WATER HEATER
INSTALLATION, USE AND CARE INSTRUCTIONS
SMART VOICE
COMMANDS
SMARTHOME
READY
"A" RATING
EFFICIENCY
DIGITAL TEMP
CONTROL
SHLX-LP
SHLX-NG
SMART ON/OFF
BUTTON
SMART APP
CONTROL
ADVANCED ERROR
DETECTION
INTELLIGENT
CONTROL BOARD

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  • Page 1 SHLX-LP SHLX-NG SHLX MANUAL SMARTHOME TANKLESS WATER HEATER INSTALLATION, USE AND CARE INSTRUCTIONS SMART VOICE “A” RATING SMART ON/OFF ADVANCED ERROR COMMANDS EFFICIENCY BUTTON DETECTION SMARTHOME SMART APP INTELLIGENT DIGITAL TEMP CONTROL CONTROL BOARD READY CONTROL...
  • Page 2 Installation and service must be performed by a qualified installer, service agency or the gas supplier. PLEASE NOTE: SHLX IS FOR INDOOR PERMANENT INSTALLATIONS ONLY. THIS MANUAL AND ALL ECCOTEMP CONTENT IS SUBJECTED TO CHANGE WITH OUT NOTICE. PLEASE VISIT SUPPORT.ECCOTEMP.COM FOR MORE INFORMATION.
  • Page 3 Installation and service must be performed by a qualified installer or service technician. PLEASE NOTE: SHLX IS FOR INDOOR PERMANENT INSTALLATIONS ONLY. THIS MANUAL AND ALL ECCOTEMP CONTENT IS SUBJECTED TO CHANGE WITH OUT NOTICE. PLEASE VISIT SUPPORT.ECCOTEMP.COM FOR MORE INFORMATION.
  • Page 4 PLEASE NOTE: SHLX IS FOR INDOOR PERMANENT INSTALLATIONS ONLY. THIS MANUAL AND ALL ECCOTEMP CONTENT IS SUBJECTED TO CHANGE WITH OUT NOTICE. PLEASE VISIT SUPPORT.ECCOTEMP.COM FOR MORE INFORMATION.

  • Page 5: Table Of Contents

    NOTICE! – Attention is called to observe a specified procedure or maintain a specific condition. PLEASE NOTE: SH12-A IS FOR INDOOR PERMANENT INSTALLATIONS ONLY. THIS MANUAL AND ALL ECCOTEMP CONTENT IS SUBJECTED TO CHANGE WITHOUT NOTICE. PLEASE VISIT SUPPORT.ECCOTEMP.COM FOR MORE INFORMATION.
  • Page 6 Read and follow water heater warnings and instructions. If owner manual is missing, contact the retailer or manufacturer. PLEASE NOTE: SH12-A IS FOR INDOOR PERMANENT INSTALLATIONS ONLY. THIS MANUAL AND ALL ECCOTEMP CONTENT IS SUBJECTED TO CHANGE WITHOUT NOTICE. PLEASE VISIT SUPPORT.ECCOTEMP.COM FOR MORE INFORMATION.
  • Page 7 WiFi hotspot to connect to. PLEASE NOTE: SH12-A IS FOR INDOOR PERMANENT INSTALLATIONS ONLY. THIS MANUAL AND ALL ECCOTEMP CONTENT IS SUBJECTED TO CHANGE WITHOUT NOTICE. PLEASE VISIT SUPPORT.ECCOTEMP.COM FOR MORE INFORMATION.
  • Page 8 Stay away from the house (or building) until the service call has been made, the leak is corrected, and a qualified agency has determined the area to be safe. PLEASE NOTE: SH12-A IS FOR INDOOR PERMANENT INSTALLATIONS ONLY. THIS MANUAL AND ALL ECCOTEMP CONTENT IS SUBJECTED TO CHANGE WITHOUT NOTICE. PLEASE VISIT SUPPORT.ECCOTEMP.COM FOR MORE INFORMATION.

  • Page 9: Safety Precautions

    Installation, and the Canadian Electrical Code, CSA C22.1 Part 1, in the absence of local codes. PLEASE NOTE: SH12-A IS FOR INDOOR PERMANENT INSTALLATIONS ONLY. THIS MANUAL AND ALL ECCOTEMP CONTENT IS SUBJECTED TO CHANGE WITHOUT NOTICE. PLEASE VISIT SUPPORT.ECCOTEMP.COM FOR MORE INFORMATION.
  • Page 10 Installation PLEASE NOTE: SH12-A IS FOR INDOOR PERMANENT INSTALLATIONS ONLY. THIS MANUAL AND ALL ECCOTEMP CONTENT IS SUBJECTED TO CHANGE WITHOUT NOTICE. PLEASE VISIT SUPPORT.ECCOTEMP.COM FOR MORE INFORMATION. Support: Support.Eccotemp.com Shop Online: www.Eccotemp.com Phone: 866-356-1992...

  • Page 11: Location

    The water heater must be located so it is not subject to physical damage, for example, by moving vehicles, area flooding, etc. PLEASE NOTE: SH12-A IS FOR INDOOR PERMANENT INSTALLATIONS ONLY. THIS MANUAL AND ALL ECCOTEMP CONTENT IS SUBJECTED TO CHANGE WITHOUT NOTICE. PLEASE VISIT SUPPORT.ECCOTEMP.COM FOR MORE INFORMATION.
  • Page 12 PLEASE NOTE: SH12-A IS FOR INDOOR PERMANENT INSTALLATIONS ONLY. THIS MANUAL AND ALL ECCOTEMP CONTENT IS SUBJECTED TO CHANGE WITHOUT NOTICE. PLEASE VISIT SUPPORT.ECCOTEMP.COM FOR MORE INFORMATION. Support: Support.Eccotemp.com Shop Online: www.Eccotemp.com...
  • Page 13 3” Vertical Vent Kit EZ-Flush Descaler Kit Service Valve Kit PLEASE NOTE: SH12-A IS FOR INDOOR PERMANENT INSTALLATIONS ONLY. THIS MANUAL AND ALL ECCOTEMP CONTENT IS SUBJECTED TO CHANGE WITHOUT NOTICE. PLEASE VISIT SUPPORT.ECCOTEMP.COM FOR MORE INFORMATION. Support: Support.Eccotemp.com Shop Online: www.Eccotemp.com...

  • Page 14: Typical Installation

    Local codes or plumbing authority requirements may vary from the instructions or diagrams provided and take precedent over these instructions. PLEASE NOTE: SH12-A IS FOR INDOOR PERMANENT INSTALLATIONS ONLY. THIS MANUAL AND ALL ECCOTEMP CONTENT IS SUBJECTED TO CHANGE WITHOUT NOTICE. PLEASE VISIT SUPPORT.ECCOTEMP.COM FOR MORE INFORMATION.

  • Page 15: Water Connections

    Installation of unions or flexible copper connections are recommended on the HOT and COLD water lines, so that the water heater may disconnect easily for servicing if necessary. PLEASE NOTE: SH12-A IS FOR INDOOR PERMANENT INSTALLATIONS ONLY. THIS MANUAL AND ALL ECCOTEMP CONTENT IS SUBJECTED TO CHANGE WITHOUT NOTICE. PLEASE VISIT SUPPORT.ECCOTEMP.COM FOR MORE INFORMATION.

  • Page 16: Gas Supply

    Compound used on the threaded joints of the gas piping must be of the type resistant to the action of LPG. Use compound sparingly and use on male threads only. PLEASE NOTE: SH12-A IS FOR INDOOR PERMANENT INSTALLATIONS ONLY. THIS MANUAL AND ALL ECCOTEMP CONTENT IS SUBJECTED TO CHANGE WITHOUT NOTICE. PLEASE VISIT SUPPORT.ECCOTEMP.COM FOR MORE INFORMATION.

  • Page 17: Relief Valve

    Contact the water supplier or local plumbing inspector on how to correct this situation. Do not plug or stopper the relief valve. PLEASE NOTE: SH12-A IS FOR INDOOR PERMANENT INSTALLATIONS ONLY. THIS MANUAL AND ALL ECCOTEMP CONTENT IS SUBJECTED TO CHANGE WITHOUT NOTICE. PLEASE VISIT SUPPORT.ECCOTEMP.COM FOR MORE INFORMATION.

  • Page 18: Leak Testing

    Installation and use of the Eccotemp SHLX above 2000 ft. is not recommended. PLEASE NOTE: SH12-A IS FOR INDOOR PERMANENT INSTALLATIONS ONLY. THIS MANUAL AND ALL ECCOTEMP CONTENT IS SUBJECTED TO CHANGE WITHOUT NOTICE. PLEASE VISIT SUPPORT.ECCOTEMP.COM FOR MORE INFORMATION.

  • Page 19: Venting

    NOTICE! Vent pipes must be completely insulated with inflammable materials when installed in alcoves, closets, and garages and must not touch any flammable material. PLEASE NOTE: SH12-A IS FOR INDOOR PERMANENT INSTALLATIONS ONLY. THIS MANUAL AND ALL ECCOTEMP CONTENT IS SUBJECTED TO CHANGE WITHOUT NOTICE. PLEASE VISIT SUPPORT.ECCOTEMP.COM FOR MORE INFORMATION.
  • Page 20 Eccotemp recommends all termination hoods have a backflow preventer to assist with freezing air. Consult with an installation professional for proper installation. PLEASE NOTE: SH12-A IS FOR INDOOR PERMANENT INSTALLATIONS ONLY. THIS MANUAL AND ALL ECCOTEMP CONTENT IS SUBJECTED TO CHANGE WITHOUT NOTICE. PLEASE VISIT SUPPORT.ECCOTEMP.COM FOR MORE INFORMATION.
  • Page 21 2) In accordance with the current ANSI Z223.1 / NFPA 54 National Fuel Gas Code PLEASE NOTE: SH12-A IS FOR INDOOR PERMANENT INSTALLATIONS ONLY. THIS MANUAL AND ALL ECCOTEMP CONTENT IS SUBJECTED TO CHANGE WITHOUT NOTICE. PLEASE VISIT SUPPORT.ECCOTEMP.COM FOR MORE INFORMATION.
  • Page 22 Clearance under veranda, 12 in (30 cm) porch, deck, or balcony. PLEASE NOTE: SH12-A IS FOR INDOOR PERMANENT INSTALLATIONS ONLY. THIS MANUAL AND ALL ECCOTEMP CONTENT IS SUBJECTED TO CHANGE WITHOUT NOTICE. PLEASE VISIT SUPPORT.ECCOTEMP.COM FOR MORE INFORMATION. Support: Support.Eccotemp.com Shop Online: www.Eccotemp.com...
  • Page 23 Termination Hood Part #2SVSRTX04 Part #2SVSHTX04 Side View PLEASE NOTE: SH12-A IS FOR INDOOR PERMANENT INSTALLATIONS ONLY. THIS MANUAL AND ALL ECCOTEMP CONTENT IS SUBJECTED TO CHANGE WITHOUT NOTICE. PLEASE VISIT SUPPORT.ECCOTEMP.COM FOR MORE INFORMATION. Support: Support.Eccotemp.com Shop Online: www.Eccotemp.com...
  • Page 24 PLEASE NOTE: SH12-A IS FOR INDOOR PERMANENT INSTALLATIONS ONLY. THIS MANUAL AND ALL ECCOTEMP CONTENT IS SUBJECTED TO CHANGE WITHOUT NOTICE. PLEASE VISIT SUPPORT.ECCOTEMP.COM FOR MORE INFORMATION. Support: Support.Eccotemp.com Shop Online: www.Eccotemp.com...

  • Page 25: Electrical Connection

    Keep any excess of the power supply cord on the outside of the water heater. ELECTRICAL WIRING DIAGRAM PLEASE NOTE: SH12-A IS FOR INDOOR PERMANENT INSTALLATIONS ONLY. THIS MANUAL AND ALL ECCOTEMP CONTENT IS SUBJECTED TO CHANGE WITHOUT NOTICE. PLEASE VISIT SUPPORT.ECCOTEMP.COM FOR MORE INFORMATION. Support: Support.Eccotemp.com Shop Online: www.Eccotemp.com...

  • Page 26: Pipe Insulation

    DO NOT install this product where standing water may occur. PLEASE NOTE: SH12-A IS FOR INDOOR PERMANENT INSTALLATIONS ONLY. THIS MANUAL AND ALL ECCOTEMP CONTENT IS SUBJECTED TO CHANGE WITHOUT NOTICE. PLEASE VISIT SUPPORT.ECCOTEMP.COM FOR MORE INFORMATION.

  • Page 27: Mounting

    5.5” Side Installation PLEASE NOTE: SH12-A IS FOR INDOOR PERMANENT INSTALLATIONS ONLY. THIS MANUAL AND ALL ECCOTEMP CONTENT IS SUBJECTED TO CHANGE WITHOUT NOTICE. PLEASE VISIT SUPPORT.ECCOTEMP.COM FOR MORE INFORMATION. Support: Support.Eccotemp.com Shop Online: www.Eccotemp.com...

  • Page 28: Installation Checklist

    Water heater is properly grounded. Wiring meets all local codes. GFCI Protection where required. PLEASE NOTE: SH12-A IS FOR INDOOR PERMANENT INSTALLATIONS ONLY. THIS MANUAL AND ALL ECCOTEMP CONTENT IS SUBJECTED TO CHANGE WITHOUT NOTICE. PLEASE VISIT SUPPORT.ECCOTEMP.COM FOR MORE INFORMATION. Support: Support.Eccotemp.com Shop Online: www.Eccotemp.com...

  • Page 29: Operating Instructions

    2. Turn the Gas Shut-O Valve located on the outside of the unit clockwise to the “OFF” position. PLEASE NOTE: SH12-A IS FOR INDOOR PERMANENT INSTALLATIONS ONLY. THIS MANUAL AND ALL ECCOTEMP CONTENT IS SUBJECTED TO CHANGE WITHOUT NOTICE. PLEASE VISIT SUPPORT.ECCOTEMP.COM FOR MORE INFORMATION.
  • Page 30 • Turn on your water heater by touching the power icon on the front, the icon should illuminate to red and you can use the water heater at it’s factory preset. PLEASE NOTE: SH12-A IS FOR INDOOR PERMANENT INSTALLATIONS ONLY. THIS MANUAL AND ALL ECCOTEMP CONTENT IS SUBJECTED TO CHANGE WITHOUT NOTICE. PLEASE VISIT SUPPORT.ECCOTEMP.COM FOR MORE INFORMATION.

  • Page 31: Water Temperature

    WARNING! Should overheating occur or the gas supply fail to shut off, turn off the manual gas control valve to the water heater. PLEASE NOTE: SH12-A IS FOR INDOOR PERMANENT INSTALLATIONS ONLY. THIS MANUAL AND ALL ECCOTEMP CONTENT IS SUBJECTED TO CHANGE WITHOUT NOTICE. PLEASE VISIT SUPPORT.ECCOTEMP.COM FOR MORE INFORMATION.

  • Page 32: Remote

    Temperature Temperature Down (-) Up (+) PLEASE NOTE: SH12-A IS FOR INDOOR PERMANENT INSTALLATIONS ONLY. THIS MANUAL AND ALL ECCOTEMP CONTENT IS SUBJECTED TO CHANGE WITHOUT NOTICE. PLEASE VISIT SUPPORT.ECCOTEMP.COM FOR MORE INFORMATION. Support: Support.Eccotemp.com Shop Online: www.Eccotemp.com Phone: 866-356-1992...
  • Page 33 SMARTHOME water heater, and how much you are saving. HIGH PLEASE NOTE: SH12-A IS FOR INDOOR PERMANENT INSTALLATIONS ONLY. THIS MANUAL AND ALL ECCOTEMP CONTENT IS SUBJECTED TO CHANGE WITHOUT NOTICE. PLEASE VISIT SUPPORT.ECCOTEMP.COM FOR MORE INFORMATION.
  • Page 34 Have a problem with your Eccotemp SMARTHOME water heater? The Eccotemp SMARTHOME app can tell you exactly what the problem is. Download it today to unlock your SMARTHOME water heater’s full capabilities. Simply search for “Eccotemp” on the Apple App Store, or Google Play or scan one of the QR codes on the previous page.
  • Page 35 Ecco Mode ON/OFF Monthly Breakdown (Select month for daily breakdown) PLEASE NOTE: SH12-A IS FOR INDOOR PERMANENT INSTALLATIONS ONLY. THIS MANUAL AND ALL ECCOTEMP CONTENT IS SUBJECTED TO CHANGE WITHOUT NOTICE. PLEASE VISIT SUPPORT.ECCOTEMP.COM FOR MORE INFORMATION. Support: Support.Eccotemp.com Shop Online: www.Eccotemp.com...

  • Page 36: Maintenance

    DANGER! Combustible materials, such as clothing, cleaning materials, or flammable liquids, etc., must not be placed against or next to the water heater. PLEASE NOTE: SH12-A IS FOR INDOOR PERMANENT INSTALLATIONS ONLY. THIS MANUAL AND ALL ECCOTEMP CONTENT IS SUBJECTED TO CHANGE WITHOUT NOTICE. PLEASE VISIT SUPPORT.ECCOTEMP.COM FOR MORE INFORMATION.

  • Page 37: Cleaning The Filter

    PLEASE NOTE: SH12-A IS FOR INDOOR PERMANENT INSTALLATIONS ONLY. THIS MANUAL AND ALL ECCOTEMP CONTENT IS SUBJECTED TO CHANGE WITHOUT NOTICE. PLEASE VISIT SUPPORT.ECCOTEMP.COM FOR MORE INFORMATION. Support: Support.Eccotemp.com Shop Online: www.Eccotemp.com...
  • Page 38 Download on the GET IT ON www.eccotemp.com PLEASE NOTE: SH12-A IS FOR INDOOR PERMANENT INSTALLATIONS ONLY. THIS MANUAL AND ALL ECCOTEMP CONTENT IS SUBJECTED TO CHANGE WITHOUT NOTICE. PLEASE VISIT SUPPORT.ECCOTEMP.COM FOR MORE INFORMATION. Support: Support.Eccotemp.com Shop Online: www.Eccotemp.com...

  • Page 39: Parts List

    CAUTION! For your safety, DO NOT attempt repair of electrical wiring, gas piping, burners, or other safety devices. Refer repairs to qualified service personnel. PLEASE NOTE: SH12-A IS FOR INDOOR PERMANENT INSTALLATIONS ONLY. THIS MANUAL AND ALL ECCOTEMP CONTENT IS SUBJECTED TO CHANGE WITHOUT NOTICE. PLEASE VISIT SUPPORT.ECCOTEMP.COM FOR MORE INFORMATION.

  • Page 40: Before You Call For Service

    Check for error code. water faucet is closed. PLEASE NOTE: SH12-A IS FOR INDOOR PERMANENT INSTALLATIONS ONLY. THIS MANUAL AND ALL ECCOTEMP CONTENT IS SUBJECTED TO CHANGE WITHOUT NOTICE. PLEASE VISIT SUPPORT.ECCOTEMP.COM FOR MORE INFORMATION. Support: Support.Eccotemp.com Shop Online: www.Eccotemp.com...

  • Page 41: Error Code Guide

    CAUTION! Label all wires prior to disconnection when servicing controls. Wiring errors can cause improper and dangerous operation. VERIFY PROPER OPERATION AFTER SERVICING. PLEASE NOTE: SH12-A IS FOR INDOOR PERMANENT INSTALLATIONS ONLY. THIS MANUAL AND ALL ECCOTEMP CONTENT IS SUBJECTED TO CHANGE WITHOUT NOTICE. PLEASE VISIT SUPPORT.ECCOTEMP.COM FOR MORE INFORMATION.
  • Page 42 (2) years from the date of purchase when installed according to Eccotemp’s Installation and Operating Instructions. 5 YEAR WARRANTY The Heat Exchanger in the Product is warranted by Eccotemp for a period of five (5) years from the date of purchase when installed according to Eccotemp’s Installation and Operating Instructions.
  • Page 43 Be sure to check with your home warranty company for assistance prior to reaching out to Eccotemp. PLEASE NOTE: SHLX IS FOR INDOOR PERMANENT INSTALLATIONS ONLY. THIS MANUAL AND ALL ECCOTEMP CONTENT IS SUBJECTED TO CHANGE WITH OUT NOTICE.
  • Page 44 315-A INDUSTRIAL ROAD, SUMMERVILLE, SC 29483 | 1-866-356-1992 © Eccotemp 2023 All Rights Reserved | Printing Version 1.0...

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