Carbon Monoxide Levels In Furnace Exhaust

Greiner unpublished 27 ppm.

Carbon monoxide levels in furnace exhaust. Cdc works with national state local and other partners to raise awareness about co poisoning and to monitor co related illness and death in the u s. During disconnected vent tests. Carbon monoxide co an odorless colorless gas which can cause sudden illness and death is produced any time a fossil fuel is burned. The pipe that is turn upwards should be the exhaust the pipe turned downwards should be the combustion air intake.

Earlier onset of exercise induced angina hbco 4 96 who 13. The current ansi z21 47 standard 1998 requires that an air free flue gas sample of co not exceed a maximum of 400 ppm 0 04 percent when a furnace vent is either partially or completely blocked. In high levels carbon monoxide can be a very serious health hazard in some cases even deadly. Levels near properly adjusted gas stoves are often 5 to 15 ppm and those near poorly adjusted stoves may be 30 ppm or higher.

When all systems are operating normally that toxic gas goes harmlessly up the flue. How to avoid the dangers of carbon monoxide leaks from your furnace. Most gas burning furnaces normally produce carbon monoxide as a part of their operation. Below are some steps you can take to prevent carbon monoxide leaks in your furnace.

A nest or clog in either the fresh air or the combustion side can cause carbon monoxide poisoning. For a number of different reasons your furnace can develop a crack in its heat exchanger or flue pipes. Steps to reduce exposure to carbon monoxide it is most important to be sure combustion equipment is maintained and properly adjusted. 21 percent increase in cardiorespiratory complaints kurt 1978.

Maximum allowable outdoor concentration for one hour period in any year epa ashrae 40 ppm. If this were to happen it could cause carbon monoxide to leak into your home s air. Get annual maintenance on your furnace. Typical concentration in flue gases chimney of a properly operating furnace or water heater.