Helpline
Have canning, preserving, or food safety questions? Need information about an upcoming class? Want to schedule pressure canner gauge testing?
Our trained volunteers share research-based information and aim to respond to inquiries within 7 business days.
(805) 781-1429
(voicemail only)
University of California Cooperative Extension Office
2156 Sierra Way, Suite C, San Luis Obispo, CA 93401
Front office hours: Monday–Friday, 8:00 AM–5:00 PM
Pressure Gauge Testing
Pressure gauge testing is free and open to home cooks and preservers.
We have a Presto® Testing Unit designed exclusively for testing Presto® pressure dial gauges on pressure canners.
Contact the helpline for more information or to schedule an appointment.


