Abby Stonehouse scored two third-period goals.
Kennedy Martin led the way with 24 kills.
It will be Janecke's fourth IIHF Women's World Championship appearance.
The Nittany Lions will be without their top two playmakers against the Boilermakers.
The Nittany Lions will play against No. 3-seeded Purdue on November 5.
Rocco Becht, Anthony Donkoh, Kooper Ebel, and Audavion Collins will hold the title in Week 8.