Pentair Stainless Steel Split Lock Washer 1/2" | EQ-Series Commercial Pump | 350063Z Pool Steps a different impeller is required

a different impeller is required

if your load center or control panel has a revision label or firmware version printed on the existing board

Replacement is required when the existing top panel is cracked

Nylon is exceptionally strong

Pentair Stainless Steel Split Lock Washer 1/2" | EQ-Series Commercial Pump | 350063Z Pool Steps a different impeller is requiredThe Pentair 350063Z is the OEM replacement stainless steel split lock washer for the EQ Series Commercial Pool and Spa Pump, sold in a pack of four. IMPORTANT: SOLD AS A PACK OF 4 This listing includes four (4) split lock washers not a single washer. Order accordingly based on the number of fasteners you are servicing. The split lock washer provides tension and vibration resistance at fastener connection points on the EQ Series pump assembly. The