Pentair Paragon Stark 3-Way 4" Valve w/Hole Diaphragm (B4740) airinjectors A replacement filter cartridge helps

A replacement filter cartridge helps the filtration system continue removing suspended debris efficiently

and EC70 filter models and helps manage water entry into the filter body

An adjustable swirl design is especially valuable because it gives the user a more active stream with room for a more personalized feel

Part RCX70100 for accurate service matching

A motor cap is useful because it helps protect and support the motor section

Pentair Paragon Stark 3-Way 4" Valve w/Hole Diaphragm (B4740) airinjectors A replacement filter cartridge helpsFor 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