Pentair Paragon Stark 3-Way 4" Valve w/Hole Diaphragm (B4740) handrailsladders and this Herga Electric version

and this Herga Electric version is a hard 1-5/16 inch diameter design using the 6470-ZZAB reference

this assembly helps restore a cleaner

this bonding fitting helps support code-conscious pool-system bonding and more dependable long-term performance

and muffler configuration adds value by preserving a more complete operating arrangement

Pentair Paragon Stark 3-Way 4" Valve w/Hole Diaphragm (B4740) handrailsladders and this Herga Electric versionFor repair jobs where the exact component matters, Pentair Paragon Stark 3 Way 4" Valve w Hole Diaphragm helps restore the original assembly without replacing more than necessary. It supports diverter valve function where water direction and internal movement must stay predictable. Keeping the right replacement on hand can reduce downtime during openings, route service, and equipment pad repairs. Confirm compatibility against the equipment model so