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![Waterway Executive 4.0 SPL [12.4A] [2S] Pump (3421821-1U) skimmerparts or when the O-ring no](https://cdn.shopify.com/s/files/1/1751/9347/products/34-270-3530_XL.jpg?v=1486199131)
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or when the O-ring no longer seals correctly
It is a practical service part when restoring dependable over-temperature monitoring is necessary for proper heater performance and system protection
This type of part is especially useful when replacing a worn cable or extending service reach without changing the broader control setup
or unreliable in daily use
Waterway Executive 4.0 SPL [12.4A] [2S] Pump (3421821-1U) skimmerparts or when the O-ring noThe Waterway 3421821 1U Executive pump is designed for compatible applications and features a 4. 0 SPL motor rated at 12. 4 amps in a 2 speed configuration. A pump like this is useful because it restores the full operating assembly while keeping the flexibility of two speed functionality in systems built around Executive pump designs. Matching the correct SPL and speed configuration helps preserve system compatibility and makes a direct replacement
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