Pentair 5/16″ Flat Lock Washer || U43-11SS
Pentair 5/16″ Flat Lock Washer – U43-11SS
Ensure secure and long-lasting performance for your Pentair pool equipment with the Pentair 5/16″ Flat Lock Washer (SKU: U43-11SS). This essential component is made from high-quality stainless steel to prevent corrosion and wear, ensuring a durable connection between fasteners and components. Perfect for use in pool pumps, motors, and other Pentair systems, the U43-11SS is a reliable choice for both professional installers and DIY pool owners.
Key Features:
- Product Name: Pentair 5/16″ Flat Lock Washer
- SKU: U43-11SS
- UPC:
788379782887 - Material: High-grade stainless steel construction for superior strength and corrosion resistance.
- Size: 5/16″ diameter, compatible with a wide range of pool pump components.
- Durability: Designed to prevent loosening and ensure secure, long-lasting connections in various pool equipment.
- Easy to Install: The flat lock washer design helps maintain tight fasteners, improving the overall reliability and safety of your pool system.
- Versatile Use: Ideal for securing bolts and screws in Pentair pool pumps, motors, and other pool system parts.
Product History: The Pentair 5/16″ Flat Lock Washer (U43-11SS) has been a trusted component in Pentair pool equipment for years. Pentair, a global leader in pool technologies, uses high-quality, durable fasteners like this flat lock washer to ensure the integrity and safety of pool systems. When properly installed, this washer helps secure components and prevent loosening, which can lead to wear, leaks, and potential damage.
Installation Tips:
- Power Off Equipment: Before beginning any maintenance or installation work, ensure the pool pump and equipment are powered off to avoid electrical hazards.
- Inspect the Washer: Check the condition of your existing washers and replace any that show signs of damage, wear, or corrosion. This ensures a proper seal and tight connection.
- Proper Placement: When installing the Pentair 5/16″ Flat Lock Washer, ensure it is placed between the fastener and the equipment component to maintain the tight fit.
- Tighten with Caution: Tighten the corresponding bolt or screw carefully, using the right tool to prevent over-tightening, which could damage surrounding parts.
- Secure Fitment: After installation, double-check the fit of the fastener to ensure the washer is correctly seated and that everything is securely in place.
Why Choose ePoolSupply? As an authorized Pentair Reseller, ePoolSupply.com offers genuine Pentair products like the 5/16″ Flat Lock Washer U43-11SS. We guarantee high-quality components, fast shipping, and excellent customer support for all your pool equipment needs. Whether you’re replacing a worn-out part or performing routine maintenance, we are your trusted source for Pentair pool parts.








