The ES2000 Series air-pressure switch is designed to detect blockage in gas combustion system appliances, such as furnaces, boilers, gas fireplaces, and water heaters. According to the company, other ...

Airlines have not reported any failures that led to a dangerous drop in oxygen levels during flight. By Niraj Chokshi The Federal Aviation Administration on Thursday instructed airlines to inspect a ...

Oxygen levels could become "dangerously low" if switches fail over 10,000 feet. The Federal Aviation Administration (FAA) is instructing airlines to inspect their Boeing 737 fleet for faulty altitude ...