What is a consequence of having insufficient air supply for gas appliances?

Insufficient air supply for gas appliances leads to an increased risk of malfunction primarily because proper combustion requires a specific air-to-gas ratio. When there isn't enough air, gas appliances can operate inefficiently, resulting in incomplete combustion. This inefficiency can cause the production of dangerous byproducts, such as carbon monoxide, which poses serious health risks.

Moreover, appliances may experience issues like sooting, which can damage components and reduce their lifespan, ultimately enhancing the likelihood of malfunction. Inadequate airflow can also lead to overheating and safety control failures, further contributing to potential hazards. Therefore, maintaining adequate air supply is critical for the safe and efficient operation of gas appliances, highlighting why an insufficient air supply is a significant concern.