Hayward SP0710X62 Vari-Flo 1.5" Valve with Gauge (Sand Filters)
Hayward Vari-Flo Valve SPX0710X62 is a replacement valve designed to fit only the Hayward S210S & S244SPro Series Side Mount sand filter models. This pool sand filter valve has 1.5" plumbing ports.
Valve to Filter Port Center Line: 6" (at the ends the inside dimension between pipes is 3-1/2")
SP710XA-13 stamped into valve body below pump port. 3640310 Patent number stamped into lid.