Chimney Safety Institute of America (CSIA) Certification Practice Test

What is the role of a barometric draft regulator?

1. To increase chimney draft

2. To prevent excessive draft

3. To regulate temperature

4. To collect creosote

The correct answer is: To prevent excessive draft

The role of a barometric draft regulator is to prevent excessive draft within a chimney or vent system. These regulators work by automatically adjusting based on the changes in pressure and draft conditions. When the draft becomes too strong, the regulator opens to allow some of the draft to escape, which helps maintain a steady and safe combustion environment. Managing draft is essential for the safety and efficiency of heating appliances. Excessive draft can lead to increased fuel consumption, inefficient combustion, and can create hazardous conditions, such as backdrafts, which can allow harmful gases to enter the living space. By effectively controlling excessive drafts, the barometric draft regulator ensures optimal performance of the heating system while enhancing safety for occupants.