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When these seals degrade
and 2-1/2 HP models Pentair Dyna-Pro / Dyna-Pro E MPRA6G-207 1-1/2 HP
Designed for use with a garden hose or 1-1/4" or 1-1/2" vacuum hose
or clogged impeller causes a direct loss of flow rate and system pressure
Pentair Hex Wheel Bearing 2-Pack | Polaris 380/360/340 Pool Cleaner | LBB91001108 PGRM2 When these seals degradeThe Pentair LBB91001108 is the OEM replacement hex wheel bearing for the Polaris 380, 360, and 340 automatic pool cleaners. This listing includes 2 bearings per pack. Wheel bearings support the cleaner's drive wheels, allowing them to rotate freely as the unit travels across pool surfaces. Worn or seized bearings cause uneven wheel movement, reduced traction, and erratic cleaning patterns. Replacing them restores smooth, consistent wheel rotation and
