Kidde KN-COB-IC Manual page 23

Carbon Monoxide Safety
The following conditions can result in transient CO situa-
tions. Excessive spillage or reverse venting of fuel-burning
appliances caused by outdoor ambient conditions such as:
• Wind direction and/or velocity, including high gusts of
wind, heavy air in the vent pipes (cold/humid air with
extended periods between cycles).
• Negative pressure resulting from the use of exhaust fans.
• Simultaneous operation of several fuel-burning appliances
competing for limited internal air.
• Vent pipe connections vibrating loose from clothes dryers,
furnaces, or water heaters.
• Obstructions in, or unconventional, vent pipe designs
which can amplify the above situations.
• Extended operation of unvented fuel-burning devices
(range, oven, fireplace, etc.).
• Temperature inversions which can trap exhaust gasses
near the ground.
To be safe, know the possible sources of CO in your home.
Keep fuel-burning appliances and their chimneys and vents
in good working condition. Learn the early symptoms of
exposure, and if you suspect carbon monoxide poisoning,
move outside to fresh air and get emergency help. Your first
line of defense is an annual inspection and regular
maintenance of your appliances. Contact a licensed
contractor or call your local utility company for assistance.
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