Sort of a trap

Specific Inspection Topics Plumbing Inspections
1

sort of… a dryer duct trap.

image009[1].jpg

2

I would say the water seal is sufficient.

Traps need smooth walls however.:slight_smile:

3

If you look at it just right, it’s a Q-trap.

4

Yup, just lay down on your side and look crosseyed.