Vetus Anti-siphon Airvent with Valve
13 mm – 32 mm hose.
This anti-siphon is for use if point of cooling water is injected into exhaust is less than 15 cm above the water line. Vetus anti-siphon air vent helps prevent water going into the exhaust system and eventually the boat engine. Fitting of the valve should be up to 40 cm above the boat’s waterline.
Requires periodic maintenance with salt crystals to prevent it clogging up.