The air vent or cover lock (located in the cover of your cooker or canner) automatically exhausts air from the pressure cooker or canner as you begin heating the unit and acts as a visual indication of pressure in the canner. The small gasket must be in place for the air vent or cover lock to seal completely. • This genuine presto replacement interlock assembly fits many presto pressure cookers or canners • This genuine presto replacement interlock assembly fits many presto pressure cookers or canners • This genuine presto replacement interlock assembly fits many presto pressure cookers or canners • •
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