1/2"o.d. 3/8" nominal pneumatic sequencing water valve, 3-11.5psi sring range, port a:1.5cv port b:1.5cv, for use with hot and cold water, 1/8"npt air connections

5/8"o.d. 1/2" nominal pneumatic sequencing water valve, 2-13psi sring range, port a:2.5cv port b:1.6cv, for use with hot and cold water, 1/8"npt air connections

7/8"o.d. 3/4" nominal pneumatic sequencing water valve, 2-13psi sring range, port a:4cv port b:2.5cv, for use with hot and cold water, 1/8"npt air connections