Marine spare part and equipment for Vacuum Valve Johnson 09-47316-04 (22 mm).
A vacuum valve provides essential protection against water intrusion in an engine, potentially saving you from costly repairs. Ensure that the maximum ambient temperature does not exceed 60 °C (140 °F). The valve operates at a pressure equivalent to 30-50mm (7.47-12.45 mbar) Water Column. It is constructed from materials resistant to seawater, freshwater, and glycol compounds at appropriate concentrations. Avoid oil and grease exposure; if contact occurs, please clean or replace the valve.
