If someone is experiencing any of these synonyms, must call 911 or seek medical help.
Check Manuals From Time To Time
Conditions responsible which produce carbon monoxide.
Negative pressure, excessive spillage, vent pipe connector loose of furnace, hot water tank or any appliance operated on gas. Obstruction in vent pipe, extended operation of unvented fuel burning appliance. Temperature inversion near the ground can trap the Gas and Vehicle idling in a Garage.