Trivia
Feed
Play Instantly
Electrical and Plumbing Rough-In Basics
0
pts ·
🔥
0
·
🪙
0
What is the primary purpose of an 'air admittance valve' (AAV), sometimes called a Studor vent?
Continue
Advertisement
💡
Hint
…
⚖️
50-50
…
👥
Audience
…
A
To allow air to enter the plumbing drainage system to equalize pressure without a vent pipe to the roof
B
To release trapped air from hot water heating pipes to prevent airlocks
C
To prevent backflow of sewer water into a basement fixture
D
To regulate the static water pressure at the main entry point
Advertisement
Correct
Continue
Scroll down for results
Advertisement
How others answered
Continue