The Presto 01781 is a 23-quart brushed aluminum pressure canner that doubles as a large pressure cooker. It holds 24 half-pints, 20 pints or 7 quart jars, and its dial gauge lets you hold pressure accurately for low-acid foods like vegetables, meats and fish. It is the workhorse choice for people putting up a season of garden produce, where smaller 16-quart canners force more batches. Reviewers consistently call it solid and simple to run, though the aluminum body is heavy when full and the dial gauge should be checked for accuracy rather than trusted out of the box.
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Owners treat the Presto 01781 as a dependable, no-frills canner that gets through big batches of jars without fuss. Most praise its capacity and steady pressure; the recurring complaints are its weight when loaded and the dial gauge needing a check.
This Presto pressure cooker and canner has a 23-quart capacity. It is made of brushed aluminum that is extra strong and warp-resistant, so it heats quickly and evenly.
It is used to preserve low-acid foods such as vegetables, meats and fish, as well as fruits. Pressure canning is the only method recommended as safe for low-acid foods by the US Department of Agriculture. A pressure dial gauge is easy to read and lets you control the pressure accurately.
It also works as a large-capacity pressure cooker.
