Intermatic Freeze Protection Thermostat only for 120/240V Applications | PF1103 Pentair Light Accessories and Junction Boxes inspect the riser and collar

inspect the riser and collar for alignment or wear

It also houses the cassette assembly which also holds the diaphragm (which is the only moving part of the cleaner)

Pentair System 3 Modular Media Filter S8M500 Replacement Cartridge Pack | 170148

This is Polaris large axle replacement

chemical-resistant plastic

Intermatic Freeze Protection Thermostat only for 120/240V Applications | PF1103 Pentair Light Accessories and Junction Boxes inspect the riser and collarIntermatic Freeze Protection Thermostat only for 120 240V Applications, Type 3R Metal Enclosure Protects pool spa equipment against freeze damage. Turns the pump and heater on when the outdoor temperature dropsIntegrated adjustable thermostat. Feature: Turn the pump and heater ON when the outdoor temperature drops below the user adjustable setpoint on the thermostat Models with or without mechanical timer mechanism Heavy duty metallic rainproof