Pentair GFCI Circuit Breaker 20A 115V/230V 2-Pole (P220GFA) filters and this Darlly cartridge is

and this Darlly cartridge is designed for compatible applications using the 6CH-502 reference

Replacing them as a kit can help make the repair more complete and improve confidence in the heater’s condition

or is allowing unwanted reverse flow in the line

The SPX0722D is a practical service part when a compatible Hayward valve needs a nut to restore dependable retention

Pentair GFCI Circuit Breaker 20A 115V/230V 2-Pole (P220GFA) filters and this Darlly cartridge isThe Pentair GFCI Circuit Breaker 20A 115v 230v 2 Pole is an electrical protection component designed for compatible Pentair pool and spa equipment. This item is intended to replace a worn, damaged, missing, or hard to service original component and helps protect compatible electrical circuits when installed in the correct equipment and enclosure. It is a practical choice for technicians, service teams, and homeowners working to keep equipment