Hayward CAT Controller Parts Select Part Above: AC063 Flow cell molded bowl style complete kit AC075 Flow cell kit w/o RFS machined acrylic flow cell box CAX-20200 Pressure switch complete CAX-20201 Pressure switch only CAX-20272 Flow cell molded bowl style only CAX-20259 Flow cell molded bowl style complete kit CAX-20206 Float style flow switch for molded bowl Flow cell PR015-2 Heavy duty pH sensor 1/2" NPT PR025-2 Heavy duty ORP sensor 1/2" NPT