Used on Presto® pressure cookers and canners built after 1977. Steam is automatically released by the overpressure plug if the vent pipe becomes clogged and excess pressure cannot be released normally.Used on Presto® pressure cookers and canners built after 1977. Steam is automatically released by the overpressure plug if the vent pipe becomes clogged and excess pressure cannot be released normally. See More
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Used on Presto® pressure cookers and canners built after 1977. Steam is automatically released by the overpressure plug if the vent pipe becomes clogged and excess pressure cannot be released normally.
