Pentair Skimmer Collar | WC37-503P San Juan helping maintain alignment and reducing

helping maintain alignment and reducing noise

A protective cap covers the socket when not in use

Too much suction can cause the cleaner to stall on the floor or climb too aggressively

It addresses common service needs by restoring water flow and preventing inefficiencies that lead to poor filtration

Cracked or warped covers can cause suction leaks and loss of prime

Pentair Skimmer Collar | WC37-503P San Juan helping maintain alignment and reducingWhat This Part Is Used For Pentair WC37 503P Skimmer Collar is a replacement collar for compatible Pentair skimmer assemblies. It supports proper alignment and sealing between the skimmer and pool structure. Why This Part Matters A damaged collar can lead to leaks around the skimmer throat. Replacing it restores secure positioning and helps prevent water intrusion behind the pool wall. Proper fit supports long term structural integrity. Key Features