Midfielder Richie Ryan pulle one back after 33 minutes when he glanced home a header from Joe Wilcox's cross.
The home side named seven first-team players in their side, while Cliff Byrne, Andy Parton and Jim Goodwin were the only players in the United side with senior experience.
United side: Lillis, Byrne, Robinson, Maxxola, Spillman, J Wilcox, Goodwin, Ryan, Damms (Culshaw, 84), Parton, Ehui.