Built tough with maximum efficiency
NATURAL GAS-FIRED COMMERCIAL CROSS FLOW COPPER BOILERS
FOR HYDRONIC HEATING AND HOT WATER SUPPLY
WITH ELECTRONIC INTERMITTENT PILOT IGNITION AND
• INSTALLATION • OPERATION • MAINTENANCE • LIMITED WARRANTY
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
MODELS DB/DW-720-1810
TM
PLACE THESE INSTRUCTIONS ADJACENT TO BOILER AND
NOTIFY OWNER TO KEEP FOR FUTURE REFERENCE.
1
INSTALLATIONS
TEXT PRINTED OR OUTLINED IN RED CONTAINS
INFORMATION RELATIVE TO YOUR SAFETY. PLEASE
READ THOROUGHLY BEFORE INSTALLING AND
USING THIS APPLIANCE.
A DIVISION OF A.O.SMITH CORPORATION
EL PASO, TX McBEE, SC RENTON, WA
STRATFORD, ONTARIO
VELDHOVEN, THE NETHERLANDS
SUPERSEDES PART NO. 200311-000 REV. 4 & 210265-000 REV. 0
CAUTION
www.hotwater.com
PART NO. 211680-000 REV. 00