Pentair Compool PacFab 2-Way/3-Way Valve Cover (270030Z) darlly Filter cartridge for compatible applications

Filter cartridge for compatible applications using FC-1978

Designed for compatible outdoor heating applications

This style of heater is especially useful for repairs where the goal is to replace the heater itself without compromising the original fit or control logic around it

A properly selected replacement basket helps support cleaner debris capture and contributes to more consistent skimmer maintenance

Matching the correct HV-18

Pentair Compool PacFab 2-Way/3-Way Valve Cover (270030Z) darlly Filter cartridge for compatible applicationsThe trap lid square O ring creates the seal needed to keep air from entering the suction side of compatible Challenger and Waterfall pumps. When the original O ring becomes flattened, stretched, or cracked, priming problems can follow. This replacement helps restore a tight lid seal during basket cleaning and routine pump service. Choose this replacement when you want a clean, part specific repair rather than forcing a workaround that can create