A.O. Smith ATX-199 Instruction Manual page 42

MEASURING INLET GAS PRESSURE
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•
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pressure. THIS IS ONLY TO BE DONE BY A LICENSED
PROFESSIONAL.
1.
2.
Figure 46
Figure 46. Location of Pressure Port
3.
4.
5.
6.
a.
b.
WARNING
Pressure
Port
MIN Button
MAX Button
Figure 47. Computer Board
7.
8.
4 (page 13) .
B149.1.)
SUPPLY GAS PRESSURE ADJUSTMENT
Do not use water heater with any gas
other than the gas shown on the rating
label.
Excessive gas pressure to gas valve can
cause serious injury or death.
Turn off gas lines during installation.
Contact a qualified installer or service
agency for installation and service.
2 (page 10)
.
42
AND
Fire and Explosion Hazard
Table
Table