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

Higher square footage cartridges are especially practical when the system depends on longer service intervals and broader filtration surface area

alignment-friendly connection

making it especially practical when the jet area needs both cosmetic renewal and correct replacement functionality

Smaller center cores help support cartridge alignment and internal stability in lower-capacity filter models

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,