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The Presto 01781 is a 23-quart heavy-gauge aluminum pressure canner that doubles as a boiling-water canner and a large pressure cooker. It holds 7 quart jars or up to 18 pint jars per batch, and its dial gauge reads the full processing pressure range, which matters at high altitude. The air vent/cover lock blocks pressure from building unless the lid is seated and keeps the lid shut until pressure drops. It works on regular and smooth-top ranges. Against smaller 16-quart canners it saves batches; against weighted-gauge rivals it needs the dial checked for accuracy and does not give the audible jiggle that tells you pressure is holding.
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Owners treat it as a workhorse canner that handles big batches and seals reliably. The recurring complaints are its weight when loaded and the dial gauge needing verification.
The Presto 23-quart pressure canner is built for home canning and also works as a large pressure cooker. Pressure canning is the only method the U.S. Department of Agriculture recommends as safe for low-acid foods such as vegetables, meats, poultry and seafood. It also doubles as a boiling water canner for fruits, jams, jellies, pickles and salsa in pint and half-pint jars.
The pot is made of warp-resistant, heavy-gauge aluminum for fast, even heating. It works on regular and smooth-top ranges. It has stay-cool handles and a steel lid that locks down during canning or cooking, with an inner sealing ring that keeps the steam in. A rack fits down into the pot to keep jars off the bottom so liquid can circulate underneath.
A deluxe dial gauge registers the complete range of processing pressures, which is especially important at higher altitudes. An air vent/cover lock lets pressure build only when the cover is closed properly and keeps the cover from opening until pressure is safely reduced. A pop-up pressure indicator, a steam release mechanism and an overpressure plug that releases excess steam are also included.
