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All American pressure canner: choose the jars and heat source

By the Plain Prepper editors. Updated 2026-10-14.

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Quick answer

Choose an All American pressure canner by the tested food process, jar arrangement and compatible stove. The current 915 page lists seven quart jars; 921 also lists seven quarts but more pints; 930 lists fourteen quarts and excludes glass-top use. These cast-aluminum models use a metal-to-metal seal and weighted pressure control. They are not induction compatible. The maker's pages contain weight and gauge-guidance conflicts, so confirm the exact equipment and use current tested canning instructions rather than relying on capacity or a brand name alone.

Choose capacity by jar size and the tested food process

Current maker example	Liquid capacity	Pint jars, regular / wide mouth	Quart jars	Included racks
915	15.5 qt	10 / 8	7 of either mouth style	1
921	21.5 qt	18 / 16	7 of either mouth style	2
930	30 qt	19 / 16	14 of either mouth style	2

Moving from 15.5 to 21.5 qt adds 6 qt of liquid capacity, but the current pages still list seven quart jars for both. The taller canner is not automatically a larger quart batch. The 930's fourteen-quart listing is twice seven, but that jar count is not a promise of twice the daily throughput.

The linked manual gives approximate standard Mason-jar counts and says actual fit varies by jar brand. It lists nineteen pints for 921, versus eighteen regular-mouth pints on the current product page. Confirm the actual rack and jar arrangement before counting on the additional jar.

Jar fit and liquid capacity do not authorize a different preservation process. Use the tested recipe’s supported jar size.

Separate the regulator weight from the reference dial

The maker identifies these as weighted-gauge canners. The regulator weight indicates and controls pressure; the dial is a reference, including checking when pressure has returned to zero. The presence of a dial does not mean you should use a dial-gauge recipe table for a weighted-gauge process.

All American lists regulator settings of 5, 10 and 15 psi. Its manual describes the required rocking behavior as one to four times per minute. Follow the complete equipment instructions and the tested recipe's weighted-gauge pressure for your elevation. Do not choose a setting because it happens to appear on the weight.

The current FAQ contains a gauge-replacement wording conflict. It says to replace a dial when it is within 2 psi of the weight setting; the linked manual says within 2 psi is acceptable and more than 2 psi calls for replacement. Ask the maker to clarify this error rather than copying the contradictory FAQ as a maintenance rule.

NCHFP requires annual accuracy checks for dial-gauge canners. All American says its reference dial does not need external testing when the regulator weight is used. Maintain the safety parts and distinguish the control systems.

Check stove permission and actual handling weight

The current pages list gas, electric and flat-top use for 915 and 921. The maker FAQ and linked manual still require checking with the stove manufacturer for glass-top suitability. They exclude 930 and 941 from glass-top use because of weight, and the FAQ prohibits induction cooktops.

There is also a weight discrepancy within the maker's current pages. The detailed tables list 19 lb for 915, 22 lb for 921 and 25 lb for 930. The shared size-comparison table lists 15, 17.75 and 21.25 lb respectively. These conflicting weight figures are not resolved here; confirm actual handling weight and the loaded setup. The manual's separately labeled shipping weights are not interchangeable with canner weight.

Verify the base, burner and loaded support. The manual prohibits sliding over glass or lifting the canner by the top handle, which is for the lid only.

Heat-source guidance also differs. NCHFP's general instructions warn against outdoor LP burners or gas burners over 12,000 BTU, while All American's FAQ allows a higher range with a 24,000 BTU ceiling. Do not treat that higher ceiling as blanket permission for an outdoor burner. Resolve the stove and canner requirements before use.

Metal-to-metal sealing still needs inspection and care

The cast-aluminum cover and body use matched beveled sealing surfaces rather than a replaceable sealing gasket. The manual calls for a thin film of olive oil, preferred, or petroleum jelly on the specified sealing edge. Use its actual preparation and evenly tightened closure instructions.

No sealing gasket does not mean no maintenance. Inspect the vent pipe, regulator, overpressure plug, clamps and wing nuts as directed. The maker requires replacement of damaged wing nuts and unobstructed safety openings. Do not modify safety components or substitute a pressure-cooker part merely because it looks similar.

The manual says not to put the canner in a dishwasher or submerge the dial gauge. Clean and dry the equipment using the documented method. Confirm correct replacement parts for the actual model, particularly when buying used equipment with an older vent or handle arrangement.

The maker describes a water-only practice run. Follow its complete instructions; familiarization does not validate an improvised food recipe or an unknown used canner.

Use the complete pressure process, including natural cooling

NCHFP requires ten minutes of continuous steam venting before pressurizing a canner. It explains that trapped air lowers the temperature obtained at a given pressure. A moving gauge alone does not establish that this venting stage has occurred.

Use the actual recipe's food preparation, packing, jar size, pressure, elevation adjustment and full processing time. NCHFP says that if pressure falls below the required amount, restore it and restart the full original process time. Do not count a later vacuum seal as proof of adequate processing.

Natural cooling is part of the process. NCHFP prohibits forced cooling or prematurely opening the vent; the maker also warns against sudden cooling of cast aluminum. Do not borrow pressure-cooking quick-release instructions for jars of canned food.

The linked All American manual says to wait two minutes after removing the regulator following depressurization; NCHFP says ten minutes. For the published canning process, allow NCHFP's ten-minute wait after removing the weight following complete depressurization. Never loosen wing nuts under pressure or force open a lid. Seek extension guidance if the instructions or a processing interruption remain unclear.

Check special-food limits before selecting the larger model

NCHFP's smoked-fish procedure specifies a 16 to 22 qt canner and excludes quart jars and tin cans. The 21.5 qt 921 is within that capacity range; the 15.5 qt 915 and 30 qt 930 are outside it. This is a process-specific boundary, not an agency endorsement of the brand or a complete smoked-fish recipe.

The maker's linked manual says sixteen-quart or larger for smoked fish, while its FAQ singles out the smaller 10.5 qt model. Those statements do not override the narrower NCHFP procedure. Do not assume the largest canner works for every validated process.

NCHFP also says empty jars for food processed in a pressure canner need not be presterilized. They still need the appropriate inspection and preparation. Do not confuse clean jars, preheating or the absence of a separate sterilization step with completing food processing.

Match the Amazon offer to the model, racks, regulator and instructions. Confirm stove permission, actual weight, jar arrangement and supported recipes before purchase.

What to look for when you buy

Questions people ask

Do All American pressure canners need a sealing gasket?

These models use a metal-to-metal seal. They still need the manual's lubrication, evenly secured closure, clear vent and safety-part inspection. Gasket-free construction does not make the equipment maintenance-free.

Can I use an All American canner on induction or glass?

The maker prohibits induction. For glass, check the stove manufacturer and exact canner; the maker excludes 930 and 941. Its 915 and 921 listings do not override your range's restrictions.

Must I sterilize empty jars before pressure canning?

NCHFP says jars for food processed in a pressure canner need not be separately presterilized. Use sound, properly prepared jars and the full tested food process; that exception does not eliminate processing or recipe requirements.

Is the dial the pressure control on these canners?

The maker identifies the regulator weight as the primary indicator and control, with the dial as reference. Use the recipe's weighted-gauge guidance and the actual manual. Seek maker clarification of its contradictory FAQ gauge-replacement wording.

Sources

• 915, current specifications and shared comparison table, All American 1930
• 921, current jar capacities and weight tables, All American 1930
• 930, current heat-source restrictions and capacity, All American 1930
• Current maker FAQ: weighted control, stoves and maintenance, All American 1930
• Cooking and Canning manual, current product-linked January 2022 document, All American 1930
• Using Pressure Canners, National Center for Home Food Preservation
• Sterilization of Empty Jars, National Center for Home Food Preservation
• Fish, Smoked: process-specific canner capacity and jar restrictions, National Center for Home Food Preservation

Sources checked 2026-10-14.