{"product_id":"pentair-3-8-helical-split-lockwasher-u43-12ssz","title":"Pentair 3\/8\" Helical Split Lockwasher | U43-12SSZ","description":"\u003ch2\u003ePentair 3\/8\" Helical Split Lockwasher | U43-12SSZ\u003c\/h2\u003e\n\u003cp\u003eOEM Pentair U43-12SSZ 3\/8\" split lockwasher. Prevents loosening from vibration in XF, Dyna-Pro, and Dura-Glas pumps.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOEM Pentair replacement for secure fastening performance.\u003c\/li\u003e\n\u003cli\u003eHelical split design maintains tension under vibration.\u003c\/li\u003e\n\u003cli\u003eCorrosion-resistant stainless steel for long service life.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eThe Pentair U43-12SSZ 3\/8\" Helical Split Lockwasher is a genuine OEM fastening component designed to keep bolts and screws securely tightened in high-vibration pool pump environments. Its split design applies continuous spring tension, preventing fasteners from loosening during operation.\u003c\/p\u003e\n\u003cp\u003eUsed across Pentair and Sta-Rite pump systems—including IntelliFloXF, WhisperFloXF, Max-E-ProXF, Dyna-Pro, and Dura-Glas models—this washer is essential for maintaining structural integrity and reliable performance.\u003c\/p\u003e\n\u003cp\u003eConstructed from corrosion-resistant stainless steel, it withstands moisture, chemicals, and demanding pool conditions.\u003c\/p\u003e\n\u003ch3\u003ePro Tip\u003c\/h3\u003e\n\u003cp\u003eAlways replace lockwashers during reassembly—once compressed, they lose tension and won’t secure fasteners properly.\u003c\/p\u003e\n\u003ch3\u003eInstallation Tips\u003c\/h3\u003e\n\u003cp\u003eDisconnect power before servicing. Install washer between bolt head and surface. Do not reuse compressed washers. Tighten to proper torque without overtightening.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":42434068774997,"sku":"U43-12SSZ","price":9.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0105\/0837\/0005\/files\/missingphoto_b15d44c6-8780-4c63-a198-d3b9f593c275.jpg?v=1769200359","url":"https:\/\/www.epoolsupply.com\/products\/pentair-3-8-helical-split-lockwasher-u43-12ssz","provider":"ePoolSupply","version":"1.0","type":"link"}