Presto 23-Quart Pressure Canner vs Presto Precise Digital Pressure Canner

Last reviewed July 2026.

These two are not in the same category, and that is the whole story: one sits in the equipment class the USDA processes were written for, the other's canning capability rests on its manufacturer's own claim. The table makes the asymmetry visible.

Presto 23-Quart Pressure Canner: A stovetop pressure canner in exactly the equipment class the USDA processes were developed for: NCHFP's recommended-canners guidance describes canners 'designed to hold seven quart jars or eight to nine pints', dial- or weighted-gauge, and UL-approved — and warns that smaller pressure saucepans are not recommended for canning. Dial gauges need annual accuracy checks (your extension office does this); the add-on 3-piece weight sidesteps that.

Presto Precise Digital Pressure Canner: Presto's claim is quoted verbatim above, and its basis is Presto's own thermal validation — the company describes testing 'utilizing multiple thermocouples to assess temperatures at many different locations inside the unit', including inside jars. That is a real engineering effort and it is also a manufacturer's internal claim, not an independent authority's recommendation: NCHFP's electric-appliance guidance stands, and Utah State Extension's position is that 'electric programmable pressure cookers of any brand are inconsistent at higher altitudes and should NOT be used for low-acid canning'. If USDA or NCHFP ever endorses a specific electric canner, this verdict changes — the authority wins.

How to read the asymmetry

A manufacturer's validation can be genuine engineering and still not be an authority's recommendation — what “meets USDA guidelines” does and doesn't mean covers the exact wording. If you want zero asterisks, the stovetop unit is the one whose equipment class the processes were written for.

The single-canner pages go deeper: Presto 23-Quart Pressure Canner · Presto Precise Digital Pressure Canner · or see the full table.

Canning Score indexes what NCHFP, USDA and university extension programs have on record about canning equipment, with attribution — we publish no process times and no safety advice. Verdicts describe the state of the authority record for an appliance class, not a guarantee about any jar. For tested recipes and process schedules, use NCHFP (nchfp.uga.edu), the USDA Complete Guide, or your state extension office — or the Seal canning guides, which work food-by-food from the same sources. If an authority publishes new guidance, the page changes — the authority always wins.