Hayward Valve Seat Gasket Kit for SelectaFlo Valve Assembly SP0740DE | SPX0740D UHDSR70 or deformed lock ring allows

or deformed lock ring allows the housing to separate during operation

Also check whether your existing housing is Almond or Black — mismatched colors won't affect function but may be worth matching for a clean appearance

177008 = current Pentair part Sta-Rite Posi-Flo 70TX WC108-57S2X / 177008 WC108-57S2X = legacy Sta-Rite part

This tests copper only

Also known as: C8410

Hayward Valve Seat Gasket Kit for SelectaFlo Valve Assembly SP0740DE | SPX0740D UHDSR70 or deformed lock ring allowsThe Hayward Valve Seat Gasket Kit (SPX0740D) is the OEM replacement gasket kit for the SelectaFlo 2" Socket Valve Assembly (SP0740DE). IMPORTANT: KIT CONTENTS This listing is sold as a kit. Confirm all components included in this kit are required for your service need before ordering. This gasket kit provides the sealing surfaces within the SP0740DE SelectaFlo valve, maintaining a leak free barrier between valve positions and preserving correct flow