ptsg
Super Member
wozDaddy, the labels for the N and T lines are swapped on your picture. Not sure if it's just the labels or the lines are too, probably just the labels.
On the second picture, the line with the 90 fitting and the big fat plug on the valve block is the N/PB line.
On the second picture, the line with the 90 fitting and the big fat plug on the valve block is the N/PB line.