Presto Overpressure Plug suits Presto 23 Quart Pressure Canner and Pressure Cookers A2360 and based on a design

and based on a design by Volker von Franken-Trekking

Use gentle heat to achieve pressure

Possible other uses cleaning small openings

- Anti - grease action

These can also be used as trays – just slide them directly into your freeze dryer

Presto Overpressure Plug suits Presto 23 Quart Pressure Canner and Pressure Cookers A2360 and based on a designThe overpressure plus is 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. Note that the overpressure plug should generally be changed at the same time as the gasket (and the sealing ring kit sold separately includes an overpressure plug)