just a quicky but i have a thermo pa120.2 and am building my first rig, one thing has just come to my attention 
theres no markers as to which one is an inlet or an outlet on the rad could some one help me out am thinking it might not make a difference as either way it goes through, is this correct
theres no markers as to which one is an inlet or an outlet on the rad could some one help me out am thinking it might not make a difference as either way it goes through, is this correct
