The keg, and the draft system...lines, tower, faucet, etc., are all brand new. First time using this.
And, this is his very first keg of beer on tap. A Czech Pils, which turned out quite nice.
He bleeds the pressure off to zero. Then comes back an hour later, and the pressure reads 10 psi.
The kegerator is a Beverage Air, commercial outdoor rated unit.