Advantage Sonfarrel/Martec Spa MasterLock Washer (300-011)
| Nuts Bolts & Screws | |
| Advantage Manufacturing | |
| 300-011 | |
| 35-185-1026 |
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The Advantage Spa MasterLock washer is designed for compatible Sonfarrel and Martec applications where secure fastening support is needed within the assembly. A washer is useful because it helps distribute load and stabilize the fastened connection, supporting cleaner assembly retention and more dependable long-term performance.
This replacement is especially useful when the original washer is corroded, bent, worn, or missing. Using the correct Spa MasterLock washer helps preserve intended fit and restore dependable fastening support in compatible equipment setups.
The 300-011 is a practical service part when a compatible Advantage, Sonfarrel, or Martec setup needs a washer to restore secure assembly retention and cleaner mechanical performance.
- Advantage Spa MasterLock washer
- Designed for compatible Sonfarrel and Martec applications
- Helps restore dependable fastening support
- Useful when the original washer is worn or missing
- Supports cleaner and more dependable assembly retention
Advantage Manufacturing – Pool, Spa & Pond Pumps, Motors and Filtration Equipment |
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Who is Advantage Manufacturing?
Advantage Manufacturing is a trusted producer of high-quality pool, spa, and pond filtration equipment, serving professionals and homeowners for over two decades. Established in 1992, the company has built a strong reputation for delivering reliable, value-driven equipment used in repair, maintenance, and new installations. Advantage products are also widely used in OEM applications by major brands across the industry. What products does Advantage Manufacturing specialize in?Advantage Manufacturing specializes in pool and spa pumps, replacement motors, filtration systems, and water circulation equipment. Their product lineup includes energy-efficient pumps, high-performance pool motors, and filtration solutions designed for residential pools, spas, and ponds. These products are engineered to provide consistent water flow, effective filtration, and long-lasting performance. Why choose Advantage Manufacturing parts for your pool or spa?Advantage Manufacturing is known for offering dependable equipment at a competitive price point, making it a preferred choice for service professionals and home warranty contractors. Their pumps and motors are built for durability and ease of replacement, helping extend the life of existing systems without the need for costly full equipment upgrades. Customers choose Advantage for its balance of performance, reliability, and value. How do you identify and choose the correct Advantage Manufacturing part?To select the correct Advantage Manufacturing part, it’s important to match specifications such as horsepower (HP), voltage, pump type, and plumbing compatibility. Reviewing part numbers, system requirements, and existing equipment labels will help ensure proper fit and performance. Choosing the right component helps maintain efficient water circulation and prevents system issues. Need help finding the right Advantage Manufacturing part?At Bath & Spa Parts Online, we carry a wide selection of Advantage Manufacturing pool, spa, and bath parts ready to ship. Can’t find what you need? Contact our Product Specialists at 800-918-9143, use the live chat, or visit our Contact Us page. For installation guides, part diagrams, and troubleshooting resources, visit the Bath & Spa Parts Online Knowledge Base for expert support. |
