1
PRINTED IN U.S.A. 0805
PART NO. 185388-000
KEEP THIS MANUAL IN THE POCKET ON THE HEATER FOR FUTURE REFERENCE
WHENEVER MAINTENANCE ADJUSTMENT OR SERVICE IS REQUIRED.
Power Vented Gas Models
GPSX
with Hot Surface Ignition
& 2"/3"/4" PVC Vent
Capability
Thank you for buying this energy efficient water heater from
A.O. Smith Water Products Company. We appreciate your
confidence in our product.
You should thoroughly read this manual before installation and/
or operation of this water heater. Please pay particular attention
to the important safety and operating instructions as well as the
WARNINGS and CAUTIONS.
CAUTION
TEXT PRINTED OR OUTLINED IN RED CONTAINS
INFORMATION RELATIVE TO YOUR SAFETY. PLEASE READ
THOROUGHLY BEFORE INSTALLING AND USING THIS
APPLIANCE.
OWNER'S MANUAL
GET TO KNOW YOUR WATER HEATER
2
GENERAL SAFETY INFORMATION
3
INSTALLATION
4-12
OPERATION & LIGHTING INSTRUCTIONS
12-15
MAINTENANCE
15-16
TROUBLESHOOTING
17-18
WARRANTY
19
TABLE OF CONTENTS
PAGE
RESIDENTIAL
GAS WATER HEATERS
A DIVISION OF A.O. SMITH CORPORATION
MCBEE, SOUTH CAROLINA
www.hotwater.com