Skip to content
WorkZen
Academy
Home
All Trades
My Progress
en
English
EN
Français
FR
Español
ES
Menu
Home
All Trades
My Progress
Search certifications...
en
English
EN
Français
FR
Español
ES
Academy
Gas Fitting
Gasfitter Red Seal Certification
Venting Systems & Draft
Knowledge Check
Venting Systems & Draft
Knowledge Check
Knowledge Check
1 / 13
What is the purpose of a barometric damper?
A
To increase draft
B
To filter flue gases
C
To increase pressure
D
To regulate draft by admitting room air
Check Answer
Back to lessons
Next module: Appliance Installation & Clearances
Next module: