Pentair Black Union Nut 2-1/2" | WhisperFlo XF / IntelliFlo XF Pump | 411000Z F004AB directing filtered water back into

directing filtered water back into the pool

Size: 12' x 24'

sealing the strainer cover to prevent air ingestion and water loss at the pump housing

this kit restores a pressure-tight seal at the filter tank head

Pentair Black Union Nut 2-1/2" | WhisperFlo XF / IntelliFlo XF Pump | 411000Z F004AB directing filtered water back intoThe Pentair 411000Z is the OEM replacement 2 1 2" union nut for the WhisperFlo XF and IntelliFlo XF Variable Speed Pumps, finished in black. What It Does This union nut secures the pump union connection, maintaining a leak free seal between the pump and plumbing. A cracked, stripped, or missing union nut compromises the union joint, leading to leaks at the pump inlet or outlet. Replacing it with the correct OEM part restores a proper, pressure rated