The Hayward Threaded Sight Glass With Gasket (SPX0710MA) is a replacement product that is compatible for use with Hayward 1-1/2 Inch Vari-Flo Valve Models SP0710, SP0710X, SP0711, SP0712 and Hayward 2 Inch Vari-Flo Valve Models SP0715 and SP0716.
Hayward