Checking The Firing Rate; Supply Gas Pressure Adjustment; Multiple Appliance Installations; To Turn Off Gas Supply - A.O. Smith BTH 300 Instruction Manual

SUPPLY GAS PRESSURE ADJUSTMENT

Fire and Explosion Hazard
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.
AND

Multiple Appliance Installations:

NOTE:

CHECKING THE FIRING RATE

3600
x H = Btu/hr
T
Example:
3600
x 1050 = 300,000 Btu/hr (87.9 kW)
12.6
•
•
•
•
NOTE:

TO TURN OFF GAS SUPPLY

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