Pentair WhisperFlo & IntelliFlo Pump Seal Set Kit | 356198 OEM Pentair 356198 variable speed pump seal set for WhisperFlo & IntelliFlo pumps — includes mechanical seal, gaskets, O‑rings to stop leaks and maintain performance. Features Genuine Pentair seal set designed for WhisperFlo and IntelliFlo pumps Includes shaft seal, seal plate gasket, diffuser O‑ring, strainer lid O‑ring, and drain plug O‑rings Manufactured with salt, ozone, and chemical‑resistant components Helps eliminate leaks and restore proper pump sealing Ideal for variable speed and single speed pump rebuilds and maintenance Description The Pentair 356198 Variable Speed Pump Seal Set Kit is a complete OEM replacement seal set for WhisperFlo and IntelliFlo pool pumps. It contains the key sealing components that prevent water leaks and maintain efficient pump operation. This kit includes a mechanical shaft seal assembly, seal plate gasket, diffuser O‑ring, strainer pot lid O‑ring, and multiple drain plug O‑rings. Designed to resist harsh pool environments, including saltwater systems, ozone sanitation, and chemical exposure, the components help ensure long‑lasting seal performance. Using genuine Pentair parts ensures proper fitment and reliable sealing throughout your pump system. Pro Tip Replace all seals when servicing your pump instead of just the shaft seal. Fresh O‑rings and gaskets prevent repeat leakage and extend the life of your pump. Related Parts Pentair SuperFlo & SuperMax Pump Seal Kit | 356197 Pentair Challenger Pump Seal Kit 356199 | 356199 Installation Tips Disconnect power before servicing. Lubricate O‑rings with silicone‑based lubricant and avoid petroleum products. Ensure the mechanical seal is seated squarely during installation to prevent premature leaks.