Hayward Trimline 2 Way Ball Valve [1-1/2" MPT x 1-1/2" FPT] (SP0723) audio The 3/4 inch NPT connection

The 3/4 inch NPT connection

or no longer advances the dial at the proper rate

and this Coates transformer is designed for compatible 480 volt to 240 volt

For compatible filter system service

Hayward Trimline 2 Way Ball Valve [1-1/2" MPT x 1-1/2" FPT] (SP0723) audio The 3/4 inch NPT connectionThe Hayward Trimline 2 way ball valve is designed for compatible plumbing applications where inline shutoff control is needed between threaded connections. A 2 way ball valve is useful because it allows water flow to be opened or closed through a straight path, supporting maintenance access and routine plumbing control. This replacement is especially useful when the original valve is cracked, leaking, stiff, or no longer sealing or turning correctly.