Warning / caution – Hubbell Electric Heater Company WATER HEATER DF User Manual
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HUBBELL ELECTRIC HEATER COMPANY
P.O. BOX 288
STRATFORD, CT 06615
PHONE: (203) 378-2659
FAX: (203) 378-3593
INTERNET:
-- IMPORTANT --
Always reference the full model number and serial number when calling the factory.
WARNING / CAUTION
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Do not use or store gasoline or any other flammable vapors, liquids, or materials in the
vicinity of this or any other appliance.
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Due to the rigors of transportation, all connections should be checked for tightness before heater
is placed in operation.
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Safety relief valve must be installed in tapping provided.
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KEEP AWAY FROM LIVE ELECTRICAL CIRCUITS.
Do not perform any maintenance, make any adjustments, or replace any components inside the
control panel with the high voltage power supply turned on. Under certain circumstances,
dangerous potentials may exist even when the power supply is off. To avoid casualties, always
turn the power supply safety switch to off, turn the charge or ground the circuit before
performing any maintenance or adjustment procedure.
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Installation and service must be performed by a qualified installer, service agency or the gas
supplier. City, state, and national codes governing installation of commercial water heaters
must be followed and take precedence over recommendations in this manual.
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The manufacturer’s warranty on this water heater is in effect only when the water heater is
installed and operated in accordance with these instructions and local codes and ordinances or,
in the absence of local codes and ordinances, the National Fuel Gas Code (the latest ANSI
Z223.1). In Canada, installation should conform to the latest CAN/CGAB149 installation
codes and/or local codes. The manufacturer of this water heater will not be held liable for any
damage from failure to comply with these installation and operating instructions.