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A.O. Smith HW 610 User Manual

Up-flow models

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PLACE THESE INSTRUCTIONS ADJACENT TO BOILER AND

NOTIFY OWNER TO KEEP FOR FUTURE REFERENCE

PRINTED 0210

317693-000

GAS-FIRED COMMERCIAL COPPER BOILERS FOR

HYDRONIC HEATING AND HOT WATER SUPPLY

• INSTALLATION • OPERATION MAINTENANCE • LIMITED WARRANTY

• INDOOR ONLY

MODELS HW 300, 399, 420, 520, 610, 670

UP-FLOW MODELS

WARNING: If the information in this manual

is not followed exactly, a fire or explosion

may result causing property damage,

personal injury or death.

— 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.

500 Tennessee Waltz Parkway

Ashland City, TN 37015

www.hotwater.com