Vetus air vents prevent sea water from siphoning back through the exhaust into marine engines.
This siphon break is critical for engines utilizing a wet exhaust system. Vent mounts in the coolant line before the mixing elbow with the exhaust gas. Ideal installation is 16 inches above the water line.
Also called a vented loop, it is used as a siphon break for marine toilets and holding tanks.
AIRVENTV model has a pressure valve and is self contained. It does require periodic maintenance to prevent clogging with salt crystals
Hose connection diameter (inches) 1/2" - 3/4" - 1" - 1 1/4"
Dimensions (length x width x height) (inches)
6 3/8" x 3 7/8" x 1 15/16"
Brand new in original package for only - - - *** $50 **