Pentair Impeller, Medium Head | C Series High Performance Commercial Pump | 070228 Motors Before seating the new O-ring

Before seating the new O-ring

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The cell must be installed horizontally after the heater

or damaged housing cap screw restores proper clamping force and prevents housing misalignment or leaks at the joint

Inspect the mating O-ring seating surface on the tank for scoring or deformation before reinstalling — a damaged seating surface will leak regardless of how tight the bulkhead is torqued

Pentair Impeller, Medium Head | C Series High Performance Commercial Pump | 070228 Motors Before seating the new O-ringThe Pentair Impeller (070228) is the OEM replacement medium head impeller for the C Series High Performance Commercial Pump, rated at 5HP for both single phase and three phase operation. The impeller is the rotating core of the pump's hydraulic assembly it converts motor shaft energy into flow by accelerating water through the volute. A worn or damaged impeller causes a measurable drop in flow rate and system pressure. Replacing it with the correct