Hayward Valve Clamp for Pro-Series

The Hayward GMX600NM is the two piece clamp flange that holds the Vari-Flo valve onto the tank of Hayward sand filters. The pack has both C-shaped halves, two 2-1/8 in. bolts and two nuts, so a cracked or stripped clamp is a complete fix rather than a hunt for hardware.

Which filters

It is the clamp on the Pro Series top mount filters (S140T, S144T, S164T, S166T, S180T, S210T, S220T, S244T, S270T, S310T), the Pro Series side mount filters (S210S, S220S, S244S, S310S, S360S), the SwimPro SW196T, SW236T and SW256T, the SandMaster SM1700T, SM1900T and SM2300T, the GM 140 and 142 series, and the E-Series E-100, E-200 and E-250. The original has GM600-NM molded into each side, which is the quickest way to confirm a match.

Good to know

This is the same clamp Hayward supplies in the SP0714T Vari-Flo XL valve kit. The tank o-ring is a separate part, so if the valve has been leaking at the neck, replace the o-ring at the same time.