Supports cleaner and more dependable heater control behavior
Fits applications matching the listed Darlly and cross-reference cartridge numbers
Useful when multiple electronic functions become unreliable
Genuine-style replacement part for compatible United Spas spa systems
A new vacuum plate may be needed when the original is chipped
Waterway Filter Lid [Top Load w/ Plug & O-Ring Drilled] (550-5100D) feherguard Supports cleaner and more dependableThe Waterway Filter Lid [Top Load w Plug & O Ring Drilled] is a practical replacement sealing component for pool, spa, and bath equipment using compatible Waterway Plastics assemblies. Designed to help restore a clean seal between mating surfaces, this part is useful when servicing leaks, worn lids, valve bodies, filter housings, or other equipment connections where the original gasket or O ring has become compressed, brittle, or damaged. Because