1. The unwanted flow of water or wastewater in reverse direction.
Invert
Backflow
Trap
Back pressure
2. The physical separation between a waste pipe and an indirect waste receptor.
Developed Length
Trap
Air gap
Air break
3. The unobstructed vertical distance between the outlet of a faucet and the flood level rim of a receptacle.
Developed Length
Air gap
Interval
Air break
VERIA
Construction Encyclopedia "The Lord makes firm the steps of the one who delights in him; though he may stumble, he will not fall, for the Lord upholds him with his hand."
Psalm 37:23-24 (NIV)
