The C-7375 has a 2-11/16" bottom inner diameter
This is the Almond-colored tank bottom
The threaded union allows the chemical feeder to be disconnected from the plumbing line without cutting pipe — essential for routine service
Replacing the PCBA and membrane keypad together as a matched kit ensures consistent electrical contacts between the board and the keypad buttons
This ring secures the filter's clamping assembly
Pentair Plug (Sand Removal) | System 3 D.E., Modular D.E., Modular Media & Sand Filters | 24900-0503Z C3310AM The C-7375 has a 2-11/16"The Pentair Plug (Sand Removal) (24900 0503Z) is the OEM replacement sand removal plug for the Pentair System 3 filter family, including the SD Series D. E., Modular D. E. (SMD Series), Modular Media Filter, and Sand Filter lines. This plug seals the drain port at the base of the filter tank, allowing the vessel to hold water and filter media during normal operation. When it's time to drain and flush the tank for sand changes, media replacement, or