The 2006 Bosco graduate had been working as a steamfitter for the Enterprise Association of Steamfitters Local 638 in Long Island City, N.Y.
He played on the defensive line for Don Bosco.
A service was held Monday at the Church of the Assumption of Our Blessed Lady in Wood-Ridge.
Krommenhoek was cremated.
Costa Memorial Home in Hasbrouck Heights handled the arrangements.
His father, John, was a star athlete for Hasbrouck Heights High School, and coached alongside his former classmate and teammate, Greg Toal, at Don Bosco. He died in 2014 at age 58.
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