Pressure Canner Testing May 2022

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Did you know that dial gauges on pressure canners should be tested before every canning season? 

Save the dates! 

Infographic with dates when we will be testing pressure canner dial gauges at the Alamance Extension Office

Dial Gauge Testing Dates

On Tuesday, May 24th, from 9 a.m.-12 p.m. and Thursday, May 26th, from 1 p.m.-4 p.m., we will be testing pressure canner dial gauges here at N.C. Cooperative Extension – Alamance County Center. Please email Elisa Phillips at or call the office at 336-570-6740 to schedule an appointment during one of these time frames. 

Note that our testing unit can only only test the following brands: Presto, Maid of Honor, National, Magic Seal, Kook-Kwick. To test other brands, please get in touch with your manufacturer for more information on how to do so. 

Again, dial gauge pressure canners need to be checked at the start of each canning season (such as the yellow canner pictured below). If you have a weighted gauge canner (like the silver canner pictured below), you don’t need to have it checked. For all kinds of pressure canners, you want to replace the rubber parts (gasket, safety valve) when they appear cracked or are no longer pliable. How often you replace these parts will depend on your frequency of use. Check with your canner’s manufacturer to replace parts or head to your local hardware store – some carry canning equipment and might be able to order the part you need!

Photo of a Dial Gauge Canner and a Weighted Gauge Canner

Dial Gauge Canner versus Weighted Gauge Canner

Additional research-based information on home food preservation may be found through the National Center for Home Food Preservation.

Have a safe canning season, everyone!