Safety Warning (Carbon Monoxide); Relief Valve Requirements (T&P) - John Wood JW6 F307 Installation And Operating Manual

Oil fired water heater
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Safety Warning (Carbon Monoxide)

WARNING
Breathing Hazard - Carbon Monoxide Gas
• Install vent system in accordance with codes.
• Do not operate water heater if flood damaged.
• Do not operate if soot buildup is present.
• Do not place chemical vapour emitting products
near water heater or vent termination hood.
• Gas and carbon monoxide detectors are
available.
Breathing carbon monoxide can cause brain damage or death.
Always read and understand instruction manual.
As with all fuel burning equipment, this heater requires an
adequate supply of air for combustion and ventilation. An
insufficient air supply can result in poor combustion or the
re-circulation of the flue gases. Such a condition can cause
soot build-up and present a fire hazard. Flow reversal of flue
gases can cause an increase of carbon monoxide inside of
the dwelling that could result in serious bodily harm or death
from asphyxiation.
MAKE SURE THE FLOW OF COMBUSTION AND
VENTILATION AIR IS NOT RESTRICTED.
Relief Valve Requirements (T&P)
All water heaters must be fitted with a proper temperature
and pressure relief valve. These valves must be certified as
meeting the requirements of the "Standard For Relief Valves
For Hot Water Supply Systems, ANSI Z21.22/CSA 4.4".
WARNING
Explosion Hazard
Temperature-pressure relief
valve must comply with ANSI
Z21.22-CSA4.4 and ASME
code.
Properly sized temperature-
pressure relief valve must be
installed in opening provided.
Do not plug, block, or cap the
discharge line.
Failure to follow this warning
can result in excessive tank
pressure, serious injury or
death.
If this water heater has been exposed to flooding, freezing,
fire or any unusual condition, do not put it into operation until
it has been inspected and approved by a qualified service
technician.
THESE CONDITIONS CAN RESULT IN UNSEEN INTERNAL
DAMAGE and are not subject to warranty coverage.
Caution: Hydrogen gas can be produced in a hot water
system served by this heater that has not been used for a long
period of time (generally two (2) weeks or more). Hydrogen
gas is extremely flammable and can ignite when exposed
to a spark or flame. To reduce the risk of injury under these
conditions, it is recommended that the hot water faucet be
opened for several minutes at the kitchen sink before using
any electrical appliance connected to the hot water system.
Use caution in opening faucets. If hydrogen is present, there
will probably be an unusual sound such as air escaping
through the pipe as the water begins to flow. There should be
no smoking or open flame near the faucet at the time it is open.
Possible cancer hazard by inhalation. Can
cause respiratory, skin and eye irritation.
This product contains fiberglass wool and ceramic fiber
materials. Airborne fibers from these materials have been
listed by the State of California as a possible cause of cancer
through inhalation. Use special care when handling ceramic
fiber (chamber lining and base insulation) materials. Ceramic
fibers can be converted to chrystobalites, a substance listed
as a probable cause of cancer. Suppliers of fiberglass wool
products recommend the following measures be taken when
handling these materials:
Precautionary measures:
Avoid breathing fiberglass dust.
Avoid contact with skin and eyes.
Use a National Institute for Occupational Safety and Health
(NIOSH) approved dust/mist respirator.
Wear long-sleeved, loose fitting clothing, gloves and eye
protection.
Wash work clothes separately from other clothing. Rinse
washer thoroughly.
– 5 –
WARNING
Explosion Hazard
• Flammable hydrogen gases may
be present.
• Keep all ignition sources away
from faucet when turning on hot
water.
CAUTION:

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