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The Presto 01781 is a 23-quart heavy-gauge aluminum pressure canner and cooker, the largest size Presto makes. It is the type of pressure canner the USDA recommends for low-acid foods like vegetables, meats, poultry and seafood, and it also works as a boiling-water canner for fruit, jams, pickles and salsa, or as a big pressure cooker. The deluxe dial gauge reads the full processing-pressure range, which matters at high altitude. It holds 26 half-pints, 20 pints or 7 quarts per load, so it suits gardeners and hunters putting up large batches; smaller 16-quart canners cost less but need more rounds.
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Owners of Presto pressure canners generally report steady, even heating and reliable results across many batches. The large capacity is the main draw, and the included book helps first-time canners. Complaints center on the size and weight and on keeping the dial gauge accurate.
The Presto 23-quart pressure canner and cooker is made of heavy-gauge, warp-resistant aluminum for fast, even heating. It works on regular and smooth-top ranges. Pressure canning is the method the U.S. Department of Agriculture recommends as safe for low-acid foods such as vegetables, meats, poultry and seafood.
It also works as a boiling-water canner for fruits, jams, jellies, pickles and salsa in pint and half-pint jars. It can also be used as a large pressure cooker. A rack fits in the pot to keep jars off the bottom so liquid can circulate underneath. The pot holds 26 half-pint, 20 pint or 7 quart mason jars.
The lid locks down during canning or cooking, and an inner sealing ring keeps steam in. The air vent/cover lock lets pressure build only when the cover is closed properly. It also keeps the cover from opening until pressure has been safely reduced. A pop-up pressure indicator, a steam release and an overpressure plug add further pressure control. The dial gauge registers the full range of processing pressures, which matters most at higher altitudes.
