Pentair WhisperFlo Black Seal Plate w/Gasket (350203) starkfiltration the part number 21063-350-000 should

the part number 21063-350-000 should be used as the main confirmation point before ordering

Galaxy smooth-face design in gray

and repeated service cycles

or surface runoff

or no longer presenting the heater properly

Pentair WhisperFlo Black Seal Plate w/Gasket (350203) starkfiltration the part number 21063-350-000 shouldThis Pentair replacement component supports the structure, sealing, or hydraulic performance of the pump assembly. Built for the specific WhisperFlo Black Seal Plate w Gasket application, it helps restore the fit and function needed during pump repairs, wet end rebuilds, or equipment refreshes. Replacing damaged housings, supports, rings, or internal pump parts can help reduce leaks, vibration, poor circulation, and premature wear on related