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WITH ELECTRONIC INTERMITTENT PILOT IGNITION AND
INSTALLATIONS
WARNING: If the information in this manual
is not followed exactly, a fire or explosion may
result causing property damage, personal
injury or loss of life.
— Do not store or use gasoline or other
flammable vapors and liquids in the
vicinity of this or any other appliance.
— WHAT TO DO IF YOU SMELL GAS
· Do not try to light any appliance.
· Do not touch any electrical switch;
do not use any phone in your
building.
· Immediately call your gas supplier
from a neighbor’s phone. Follow
the gas supplier’s instructions.
· If you cannot reach your gas
supplier, call the fire department.
— Installation and service must be
performed by a qualified installer,
service agency or the gas supplier.
PRINTED IN U.S.A. 2221 0302
CAUTION
TEXT PRINTED OR OUTLINED IN RED CONTAINS
INFORMATION RELATIVE TO YOUR SAFETY.
PLEASE
READ THOROUGHLY BEFORE INSTALLING AND
USING THIS APPLIANCE.
PART NO. 211680-000 REV. 00
SUPERSEDES PART NO. 200311-000 REV. 4 & 210265-000 REV. 0
Built tough with maximum efficiency
TM
A DIVISION OF A.O.SMITH CORPORATION
EL PASO, TX McBEE, SC RENTON, WA
STRATFORD, ONTARIO
VELDHOVEN, THE NETHERLANDS
www.hotwater.com
PLACE THESE INSTRUCTIONS ADJACENT TO BOILER AND
NOTIFY OWNER TO KEEP FOR FUTURE REFERENCE.
MODELS DB/DW-720-1810
NATURAL GAS-FIRED COMMERCIAL CROSS FLOW COPPER BOILERS
FOR HYDRONIC HEATING AND HOT WATER SUPPLY
• INSTALLATION • OPERATION • MAINTENANCE • LIMITED WARRANTY