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SP1600 Oasis FastFall 16 in. Waterfall Spillway, 1.5 in. Spinweld

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Original Price $176.20
Current Price $132.15
SKU SP1600

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The SP1600 Oasis FastFall spillway creates a natural starting point for pond-free streams and waterfalls. Designed for easy plumbing and reliable performance, this unit simplifies installation while providing a consistent, even sheet of water suitable for small to medium pond-free features.

  • Designed for pond-free streams and falls: engineered to produce a smooth, even waterfall surface and natural appearance.
  • Spillway width & flow capacity: 16 in. waterfall width with a maximum pump flow of 3,000 gph for adjustable flow and effect.
  • Plumbing & bulkhead: features a 1.5 in. FLPT spinweld bulkhead for quick, secure plumbing and straightforward connection to standard pipe or flexible tubing.
  • Crush-proof construction: internal baffles and support cones stabilize flow and carry the weight of large rock and stone without deformation.
  • Compact installation footprint: overall dimensions of 16.5 in. W x 9.5 in. D x 7.25 in. H allow discreet placement and easy concealment behind stonework.
  • Durable, low-maintenance design: built to withstand typical pond-free conditions with minimal maintenance; internal baffles reduce turbulence and help maintain a consistent flow.

Installation is straightforward: position the SP1600 at the waterfall head, connect to a pump sized for your desired flow (up to 3,000 gph), and cover the unit with decorative stone as needed to achieve your finished look. Refer to the product manual for detailed mounting, plumbing, and winterization instructions. The design supports the weight of large rocks so you can create natural-looking falls without compromising function.

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Frequently Asked Questions

What pump size works with the SP1600 Oasis FastFall?
Use a pump sized up to 3,000 gph; reduce flow for a gentler sheet. Match pump discharge to plumbing for best results.
How do I plumb the FastFall's 1.5 in. spinweld bulkhead?
Connect standard 1.5 in. threaded pipe or flexible tubing to the FLPT bulkhead and seal with appropriate thread sealant. Tighten and test for leaks.
What are the SP1600 dimensions and installation footprint?
Overall dimensions are 16.5 in. W x 9.5 in. D x 7.25 in. H; allow extra space for rock placement and access during installation.