PSI (Pounds per Square Inch) measures water pressure—essentially how hard the water hits the surface that is being cleaned.

In response to numerous injury reports, a leading appliance manufacturer is recalling more than 2 million units of its Ninja Foodi OP300 Series Multi-Function Pressure Cookers.

Household appliance maker SharkNinja is recalling roughly 1.8 million pressure cookers due to reports of burn injuries, according to a US Consumer Product Safety Commission notice posted Thursday ...