CYCLONE Xi COMMERCIAL GAS WATER HEATER
BTH 120 thru 500 SERVICE HANDBOOK
A.O. Smith – Technical Training Department 3 Ashl
and City, Tennessee © 2009
Servicing should only be performed by a Qualified Service Agent 316586-000
TOOLS REQUIRED
● ELECTRICAL MULTIMETER CAPABLE OF MEASURING CONTINUITY/ OHMS, AC
& DC VOLTS, AMPERES, MICROAMPERES, MILLIVOLTS, and FREQUENCY(Hz)
○ UEi Model DL289 or equivalent
● DIGITAL MANOMETER +
60” W. C. in .01” increments
Note: A digital manometer is required for testing pressure switches and can replace
a gas pressure gauge, draft gauge or slack tube manometer for checking gas
pressure.
○ UEi model EM200 or equivalent
● WATER PRESSURE GAUGE w/ LAZY HAND AND HOSE BIBB CONNECTION
● THERMOMETER
● 1-1/16 INCH SOCKET WITH EXTENSION FOR ANODE REPLACEMENT
● SET OF NUMBERED DRILL BITS
DIGITAL MANOMETER
DIGITAL MULTIMETER
WATER PRESSURE
TEST GAUGE W/ LAZY
HAND AND HOSE BIBB
CONNECTION