This product is an anti-syphon device used to ventilate the exhaust system or cooling pipe. If the injection point of the cooling water into the exhaust system is less than 15 cm above the waterline, there is a risk that when the motor is switched off, cooling water may run into the engine via the exhaust pipe due to the siphon effect. The ventilator is made out of corrosion-resistant plastic and fits hoses with diameters: 13 / 19 / 25 / 32 mm. Length of hose: 4m.
Note: Supplied without valve - not required for operation.
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