Marine spare part and equipment for Johnson Vacuum Valve 25 mm 09-47316-05.
A vacuum valve is an affordable form of protection against water intrusion in an engine, which can lead to costly repairs. The maximum ambient temperature should not exceed 60 ºC (140 ºF). The valve opens at a pressure equivalent to 30-50 mm (7.47-12.45 mbar) Water Column. The materials used are resistant to seawater, freshwater, and glycol compounds at appropriate concentrations. Avoid exposing the valve to oil and grease. If it has come into contact with such substances, please clean or replace it.
