All American 921 21.5-Quart
The long-term buy for heavy canning: pay more once, replace only a gauge or weight over the years.
Amazon $449.95 eBay$449.95
The All American 921 21.5-Quart is the better pressure canner overall, rated 3.1 to 2.8. The All American 921 21.5-Quart leads on warranty and convenience. The Nesco MPC-16QT 17-Quart wins on value. The Nesco MPC-16QT 17-Quart costs $325.55 less ($124.40 vs $449.95).
Prices were last checked November 9, 2026. Product prices and availability are accurate as of that date and are subject to change; the price and availability shown on Amazon or the retailer's site at the time of purchase apply. As an Amazon Associate we earn from qualifying purchases. As an eBay Partner, we may be compensated if you make a purchase.
Nesco MPC-16QT 17-Quart
A compact, inexpensive pressure canner for small batches on gas or electric ranges, with both a weight and a dial gauge.
Amazon $124.40 eBay$124.40
Which should you buy?
- Choose the All American 921 21.5-Quart for warranty (lifetime warranty vs 1-year warranty) and convenience (gasket-free seal vs manual pressure control with a replaceable gasket).
- Choose the Nesco MPC-16QT 17-Quart for value ($7.32 per quart ($124.40, 17 qt) vs $20.93 per quart ($449.95, 21.5 qt)).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every 16 to 22 quarts pressure canner; a clear win is highlighted. How we rank explains each one.
| Factor weight | All American 921 21.5-Quart | Nesco MPC-16QT 17-Quart |
|---|---|---|
| Overall rating | 3.1/5 | 2.8/5 |
| Value 45% | 31 $20.93 per quart ($449.95, 21.5 qt) | 82 $7.32 per quart ($124.40, 17 qt) |
| Warranty 25% | 100 lifetime warranty | 0 1-year warranty |
| Convenience 30% | 25 gasket-free seal | 0 manual pressure control with a replaceable gasket |
Specifications
| All American 921 21.5-Quart | Nesco MPC-16QT 17-Quart | |
|---|---|---|
| Capacity | ||
| Liquid capacity | 21.5 qt | 17 qt |
| Pint jars per load | 18 pints | 8 pints |
| Quart jars per load | 7 quarts | 7 quarts |
| Build and control | ||
| Type | Stovetop | Stovetop |
| Material | Aluminum | Aluminum |
| Seal | Metal to metal | Gasket |
| Pressure control | Dial gauge and weight | Dial gauge and weight |
| Induction cooktop | - | No |
| Weight | 22 lb | - |
| Warranty | ||
| Warranty | Lifetime | 1 year |