Vent Loop, Side Check Valve for HoseØ:13,19,25,32mm

Used in engine exhaust system to prevent siphoning action back into the engine while stopped. You should install a vented loop 40 cm above the water line whenever the cooling water injection point is less than 15cm above the water line. Plastic construction means no corrosion. Hose sizes: 13mm (1/2"), 19mm (3/4"), 25mm (1") or 32mm (1-1/4").

The air vents can be used in:

• the cooling water pipe of a water injected exhaust system
• the inhale pipe drain if the toilet is positioned below the waterline