Pentair Stark B4570 4" Grooved Coupling - A coupling is a component that is used to join together pipes. The grooved design allows for easy use and installation. This part will help ensure the best service life possible.
Upgrade or replace your commercial pool pipeline connection with the Pentair 4" Stark Grooved Coupling (B4570). Designed for strength, precision, and long-term reliability, this coupling ensures secure 4-inch grooved connections in demanding aquatic filtration and circulation systems.
Key Features & Benefits:
Designed for 4" grooved pipe connections, ensuring a perfect fit with Stark commercial pool equipment
Ideal for commercial pool filtration systems and heavy-duty plumbing applications
Built from high-quality materials for exceptional durability and corrosion resistance
Easy to install and service—grooved design allows quick disassembly and reassembly for maintenance
Engineered by Pentair, a trusted name in pool and spa equipment
