It has 2 pressure cooking levels, hence the “duo” name. In older models, you have to move the steam release handle on the lid to the Sealing position in order to pressure cook . It’s easy to forget to do this, which results in the Instant Pot not sealing. You release steam by manually turning… Continue reading Instant Pot DUONOVA60 6qt 7-in-1 Slow Cooker for sale online