Raypak Header Return [181–402 8 Tube Kit] (004032F) gridcontrols Filter cartridge for compatible spa

Filter cartridge for compatible spa and pool applications using the PP2002 reference

which means the circuit board behind them has to do a lot of work quietly and consistently

and plumbing layout updates

or keeping a backup bottle ready

Raypak Header Return [181–402 8 Tube Kit] (004032F) gridcontrols Filter cartridge for compatible spaRaypak Header Return [181402 8 Tube Kit] (004032F) is a Raypak replacement heater component designed to support proper operation of compatible pool and spa heating systems. Heater parts are commonly replaced during service when performance issues, ignition problems, airflow concerns, water flow restrictions, or worn components begin to affect system reliability. This item should be matched carefully to the heater series, model range, and part number