GAS FIRED COMMERCIAL COPPER BOILERS
Instruction Manual
PRINTED 0213
321078-002
Thank you for buying this energy efficient boiler.
We appreciate your confidence in our products.
MODELS: HW
300, 399, 420, 520, 670
FOR HYDRONIC HEATING AND
HOT WATER SUPPLY
UP - FLOW MODELS
INSTALLATION - OPERATION
MAINTENANCE - LIMITED WARRANTY
INDOOR ONLY
25589, Highway 1
McBee, SC 29101
WARNING: If the information in these
instructions 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.
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