Carbon Monoxide Levels In Furnace Exhaust

The average steady state concentration of co in the chamber increased as the firing rate increased.

Carbon monoxide levels in furnace exhaust.

Steps to reduce exposure to carbon monoxide it is most important to be sure combustion equipment is maintained and properly adjusted. 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. Earlier onset of exercise induced angina hbco 4 96 who 13. Levels near properly adjusted gas stoves are often 5 to 15 ppm and those near poorly adjusted stoves may be 30 ppm or higher.

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. Use your cellphone to check for obstructions in side wall furnace vent pipes. During disconnected vent tests. Get annual maintenance on your furnace.

Carbon monoxide co an odorless colorless gas which can cause sudden illness and death is produced any time a fossil fuel is burned. Maximum allowable outdoor concentration for one hour period in any year epa ashrae 40 ppm. How to avoid the dangers of carbon monoxide leaks from your furnace. For a number of different reasons your furnace can develop a crack in its heat exchanger or flue pipes.

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. 21 percent increase in cardiorespiratory complaints kurt 1978.

If this were to happen it could cause carbon monoxide to leak into your home s air. When all systems are operating normally that toxic gas goes harmlessly up the flue. Unfortunately many people are injured or killed from exposure to toxic levels of carbon monoxide that are traced back to a malfunctioning combustion appliance. Typical concentration in flue gases chimney of a properly operating furnace or water heater.