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Technical Training Department
Ashland City, Tennessee
SBN TANK TYPE COMMERCIAL GAS WATER HEATER
SERVICE HANDBOOK
©2003
TABLE OF CONTENTS
Troubleshooting - Conditions ............................................................. 34
LED Troubleshooting ........................................................................... 36
Parts List ...............................................................................................38
General Questions and Answers ........................................................ 41
Electrical Information ........................................................................... 44
Draft Proving (Pressure) Switch Table ................................................44
This service handbook is a supplement to the SBN Installation and Operation Manual.
The handbook provides information on servicing and troubleshooting State Industries
SBN water heaters in the field. While this handbook is not intended to be all inclusive, it
contains:
• step-by-step procedures with illustrations to verify proper installation, operation,
and troubleshooting
• quick reference data to assist in servicing the product line
• answers to common questions encountered in the operation of the product
line
The handbook is intended to be used by licensed plumbing professionals. Reference
should be made to the installation manual accompanying the product. If you are
experiencing a problem not covered in this handbook, please contact the State
Industries Technical Information Department at 1-800-527-1953 or your local State
Industries representative for further assistance.
No duplication or reproduction of this book may be made without the expressed
written authorization of the State Industries.
SB
N Service Handbook Introduction