Waterway Square Collar [Ingr Vinyl Liner Skmr Long] (519-9490) littlegiant and 155A heater applications where

and 155A heater applications where the supported over-temperature protection component needs replacement

That makes it especially useful when the owner does not want to keep guessing which single insert or trim piece has become the real problem

Helps engage application-specific socket or retaining points more securely

This type of component is especially useful when the installed system depends on a larger keypad footprint and a more advanced output layout than simpler topsides can offer

Waterway Square Collar [Ingr Vinyl Liner Skmr Long] (519-9490) littlegiant and 155A heater applications whereWaterway Square Collar [Ingr Vinyl Liner Skmr Long] is a genuine style replacement component from Waterway Plastics designed to support skimmer performance, basket fit, and reliable debris collection. For pool and spa equipment repairs, small parts like this can make a meaningful difference in how well the system seals, fits, and operates after service. It is a practical replacement choice when an original skimmer component is worn, missing, cracked,