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WARNING
Water heaters are heat producing appliances. To avoid damage or injury, do not store
materials against the water heater or any of its components. Use proper care to avoid
unnecessary contact, especially by children, with the water heater and its components.
Under no circumstances must flammable materials, such as gasoline or paint thinner be
used or stored in the vicinity of this water heater or in any location in which the fumes
could reach the water heater.
Hydrogen gas can be produced in an operating water heater that has not had water drawn
from the tank for a long period of time (generally two weeks or more). Hydrogen gas is
extremely flammable. To prevent the possibility of injury under these conditions, we
recommend a hot water faucet to be open for several minutes at the kitchen sink before
you use any electrical appliance which is connected to the hot water system. If hydrogen is
present, there will be an unusual sound such as air escaping through the pipes as hot
water begins to flow. Do not smoke or have open flame near the faucet at the time it is
open.
DO NOT ATTEMPT TO LIGHT ANY GAS APPLIANCE IF YOU ARE NOT CERTAIN OF THE
FOLLOWING:
Liquefied petroleum gases/propane gas and natural gas have an odorant added by the gas
supplier that aids in the detection of the gas. Most people recognize this odor as a “sulfur”
or “rotten egg” smell. Other conditions, such as “odorant fade” can cause the odorant to
diminish in intensity, or ”fade,” and not be as readily detectable. If you have a diminished
sense of smell, or are in any way unsure of the presence of gas, immediately contact your
gas supplier from a neighbor's telephone. Gas detectors are available. Contact your gas
supplier, or plumbing professional for more information.
Do not operate the water heater or its accessories without the Accessory Module cover in
place. Do not operate the water heater or Setback Control without the Setback Control
Junction Box Assembly cover in place.
Do not operate the water heater, Accessory Module, and Setback Control with jumpered or
absent controls or safety devices.
Turn off or disconnect the electrical power supply to the water heater and its accessories
before servicing. Label all wires prior to disconnection when servicing controls. Wiring
errors can cause improper and dangerous operation. Verify proper operation after
servicing.
All electrical wiring must be installed and grounded in accordance with local codes, or in
the absence of local codes, the National Electrical Code, ANSI/NFPA 70 and/or CSA C22
Electrical Code.
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