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SUF SERVICE HANDBOOK
INTRODUCTION
Technical Training Department State Water Heaters
STC-077
2 Ashland City, Tennessee © 2004
INTRODUCTION
This service handbook is designed to aid in servicing and troubleshooting State SUF 150, 199 and 240 water heaters.
No duplication or reproduction of this book may be made without the express written authorization of the State Water
Heaters Company.
The following text and illustrations will provide you with a step by step procedure to verify proper installation, operation
and troubleshooting procedures. Additional quick reference data is included to assist you in servicing this product.
The information contained in this handbook is designed to answer commonly faced situations encountered in the oper-
ation of the SUF product line and is not meant to be all inclusive. If you are experiencing a problem not covered in this
handbook, please contact the State Technical Information Department at 1-800-365-0577 or your local State Represen-
tative for further assistance. This handbook is intended for use by licensed plumbing professionals and reference
should be made to the instruction manual accompanying the product. This handbook contains supplemental informa-
tion to the SUF instruction manual.
Qualifications: Installation or service of this water heater requires ability equivalent to that of a licensed tradesman in
the field involved. Plumbing, venting, gas supply and electrical testing skills are required.
Tools Required:
• Phillips head and flat tip screw drivers
• Set of marked drill bits
• Electric multimeter tester
• Gas pressure gauge or manometer (gauge — part number 8099-2)
• Water pressure gauge (part number 4798)
• Digital manometer or draft gauge
• Thermometer (part number 4870 — range 0 thru 220°F)
•
1
/2”, 1” and 1
1
/8” sockets
• Pipe wrench for union disconnect
NOTE Also, have a copy of the instruction manual for the model and series SUF that you are servicing.