EasyPro JAF16W Just-A-Falls 16' x 2' Pondless Waterfall Kit – Backyard Waterfall System with Res-Cubes Basin
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Description
The EasyPro JAF16W Pro-Series Just-A-Falls™ Kit builds a beautiful, professional-grade 16-foot recirculating waterfall and stream — no pond, no standing water, no drowning risk. The kit includes a TH250 stainless steel pump (4,100 GPH), a UWD23 23" Universal Waterfall Diffuser, a JAFM pump vault, five HSC44 High Strength Res-Cubes for the underground reservoir, two 45-mil EPDM liners (one for the stream, one for the reservoir), and all plumbing hardware. Just dig, set, and stack rocks. EasyPro ships this kit direct from Grant, MI — via truck freight, with delivery appointment required.
What's Included — EasyPro JAF16W Complete Kit
Waterfall System
- UWD23 Universal Waterfall Diffuser — 23" wide spillway, load-bearing design, 1.5" FIPT inlet, accepts 1,000–4,000 GPH
- JAFM Pump Vault — pre-sized for TH250 pump, accessible from above without excavation
- PDA20TH pump discharge assembly
Pump
- EasyPro TH250 stainless steel submersible pump
- 4,100 GPH max flow | 250 Watts | 4.0A | 115V
- 2" FPT outlet | 20-foot power cord
- Built-in thermal overload protection
- 2-year limited warranty
Basin / Reservoir
- 5 × HSC44 High Strength Res-Cubes — 95%+ void space, load-bearing, ~50 lbs capacity each
- 45-mil EPDM reservoir liner — 10'×12' — 20-year guarantee
- 10'×12' matching underlayment
- Reservoir dimensions: approximately 5'×5'×2' deep
Stream & Installation
- 45-mil EPDM stream liner — 7'×20' — 20-year guarantee
- 7'×20' matching underlayment
- 2" × 25' black flexible PVC pipe
- Installation kit: PVC glue, black waterfall foam, fittings
- Instruction manual (PDF also available at easypro.com)
Technical Specifications
| Specification | Detail |
|---|---|
| Model | JAF16W — Pro-Series Just-A-Falls™ Kit |
| Stream Length | Approximately 16 feet |
| Stream Width | 2 feet |
| Spillway | UWD23 — 23" wide Universal Waterfall Diffuser | 1.5" FIPT | load-bearing | 1,000–4,000 GPH |
| Pump | TH250 — 4,100 GPH | 250W | 4.0A | 115V | 2" FPT | 20' cord | 2-yr warranty |
| Pump Vault | JAFM — pre-sized for TH250 |
| Discharge Assembly | PDA20TH |
| Res-Cubes | 5 × HSC44 High Strength Res-Cubes — 95%+ void space, load-bearing |
| Stream Liner | 7'×20' 45-mil EPDM | 20-year guarantee |
| Reservoir Liner | 10'×12' 45-mil EPDM | 20-year guarantee |
| Underlayment | 7'×20' (stream) + 10'×12' (reservoir) |
| Flexible PVC | 2" ID × 25' black flexible pipe |
| Reservoir Size | Approximately 5' × 5' × 2' deep |
| Feature Type | Pondless — recirculating, no open water surface |
| Shipping | Truck freight — delivery appointment required, must be present to receive |
Just-A-Falls™ Series Comparison
| Kit | Stream | Pump | Spillway | Res-Cubes | Reservoir | Liner (Stream / Basin) |
|---|---|---|---|---|---|---|
| JAF8W — Small | 8'×2' | EP2200 | 23" UWD23 | 3× HSC44 | 4'×4'×2' | 7'×10' / 10'×10' |
| JAF16W ← You Are Here | 16'×2' | TH250 (4,100 GPH) | 23" UWD23 | 5× HSC44 | 5'×5'×2' | 7'×20' / 10'×12' |
| JAF24W — Large | 24'×2' | TH400 (5,100 GPH) | 23" UWD23 | 7× HSC44 | 6'×6'×2' | 8'×30' / 12'×15' |
| JAF28W — XL | 28'×2' | TH750 (6,000 GPH) | 2× UWD23 | 7× HSC44+7× HSC22 | 6'×6'×2'+ | 10'×33' / 15'×15' |
All Just-A-Falls kits ship via truck freight from EasyPro in Grant, MI. Rocks, gravel, and decorative stone not included. Call us for help choosing the right size: (765) 508-4352.
The TH250 in This Kit — Why It's Right-Sized
The TH250 delivers 4,100 GPH at zero head — the starting point before elevation loss is factored in. For a typical JAF16W installation with the reservoir 2 feet below grade and the UWD23 spillway at grade level, actual head height is approximately 2–4 feet. At 5 feet of head, the TH250 delivers approximately 3,300 GPH over the 23" UWD23 spillway — more than sufficient for a strong, full-width waterfall curtain. At 10 feet of head (if the stream includes significant elevation), the TH250 still delivers approximately 2,700 GPH.
- 250 watts — efficient for continuous 24/7 operation. Running the TH250 at full speed 24 hours/day at $0.13/kWh costs approximately $0.78/day. Most owners run it on a timer (8–12 hours/day) for a typical operating cost of $0.25–$0.40/day. EasyPro's TH-Series direct-drive pumps are among the most popular continuous-duty stream pumps in North America — thousands in service across the country.
- Stainless steel motor housing — no rust, no contamination. The TH250's stainless motor housing prevents corrosion even in mineral-rich water and resists the outdoor UV/weather exposure that polymer-housing pumps degrade under. Built-in thermal overload protection shuts the pump if it overheats — preventing motor burnout during power restoration events and other edge conditions.
- 2-year limited warranty. The TH250 is covered by EasyPro's 2-year limited warranty. As an authorized EasyPro dealer, Pond Pro Direct provides full warranty support — call us with any pump issue: (765) 508-4352.
HSC44 High Strength Res-Cubes vs. Rock-Filled Basin
The JAF16W's five HSC44 Res-Cubes replace approximately 1–1.5 tons of rock that would otherwise fill the same reservoir volume. The key operational differences:
| Basin Fill | Void Space (Water Storage) | Effect on Reservoir Size Needed | Labor |
|---|---|---|---|
| Crushed stone / gravel | ~30–35% | Large reservoir needed for same water volume | Heavy — 1–2 tons of rock delivery + placement |
| HSC44 Res-Cubes ← | ~95% | Smaller 5'×5'×2' reservoir holds the same water | Lightweight — stacks by hand |
In practice: a rock-filled basin at 30% void space holding the same water as the JAF16W's Res-Cube reservoir would need to be roughly three times larger — approximately 6'×8'×2' instead of 5'×5'×2'. That's 60% more liner, 60% more excavation, and a significant increase in rock material cost and labor. The five HSC44 cubes included in this kit compress all that into a clean, manageable install.
Frequently Asked Questions
What exactly is included in the JAF16W Just-A-Falls kit?
The JAF16W includes: UWD23 23" Universal Waterfall Diffuser, JAFM pump vault, PDA20TH discharge assembly, EasyPro TH250 stainless pump (4,100 GPH, 2-yr warranty), 2"×25' black flexible PVC pipe, 5 × HSC44 High Strength Res-Cubes, 7'×20' 45-mil EPDM stream liner (20-yr guarantee), 10'×12' 45-mil EPDM reservoir liner (20-yr guarantee), matching underlayment for both liners, and an installation kit with PVC glue, black waterfall foam, and fittings. Rocks, gravel, and decorative stone are not included — you source those locally for the aesthetic you want.
What are the dimensions of the underground reservoir?
The underground reservoir for the JAF16W is approximately 5 feet × 5 feet × 2 feet deep. The 10'×12' liner is sized to line this basin with appropriate overlap. After placing the JAFM pump vault at the bottom and stacking the five HSC44 Res-Cubes, you fill the remaining space with stone (6"–12" rocks at depth, finishing with 1"–2" decorative stone at the surface) to conceal the system and allow water to percolate down freely into the reservoir during operation.
What is the UWD23 and how does it differ from a standard waterfall box?
The UWD23 is EasyPro's Universal Waterfall Diffuser — a 23-inch wide waterfall spillway designed to spread incoming pump flow into a wide, even curtain across the full 23" face. Unlike a simple weir box, the UWD23 has internal baffling that diffuses water turbulence before it reaches the spillway lip, creating a smooth, visually consistent waterfall sheet at any flow rate between 1,000 and 4,000 GPH. Its load-bearing construction allows rocks and boulders to be stacked above and around it for a completely natural appearance. The inlet is 1.5" FIPT, matching the 2" PVC plumbing via an included reducer fitting.
How much water does the TH250 pump move, and how fast does it circulate the system?
The EasyPro TH250 moves a maximum of 4,100 GPH (approximately 68 GPM) at zero head. For the JAF16W with a typical 2–4 foot head rise from reservoir to spillway, expect approximately 3,300–3,700 GPH of actual flow. The total system water volume — approximately 50–80 gallons in the stream bed (wet at any given moment) plus the reservoir capacity — circulates completely in 1–2 minutes at this flow rate. Water that flows over the UWD23, down the stream, and back into the reservoir completes a full cycle approximately every 45–90 seconds, providing vigorous, oxygen-rich water movement that prevents stagnation and algae growth in the feature.
How does the pondless design work with the Res-Cubes?
The pondless waterfall principle: water is pumped from the underground reservoir up through 2" PVC tubing to the UWD23 spillway at the top of the feature. It flows down the stream bed, falls into the rock-covered basin at the base, and percolates through the rocks and Res-Cubes back into the reservoir. The five HSC44 Res-Cubes occupy most of the reservoir space, providing approximately 95% void space for water storage — meaning the reservoir holds nearly as much water as if it were completely hollow. When you turn the pump off, water drains from the stream bed back into the reservoir; when you turn it on, the stream fills within seconds. There is no standing open water at any point in operation.
Can I add lighting to this kit later?
Yes. The JAF16W does not include LED lighting but the feature accepts it easily after installation. EasyPro's waterfall spotlights can be installed under the stream liner's rock covering, aimed up through gaps between rocks at the waterfall face. Low-voltage (12V) pond spotlights are the most common choice — they are safe for wet environments, available in warm white or color-changing formats, and run from a standard low-voltage landscape transformer. Call us for compatible lighting recommendations: (765) 508-4352.
Why Buy From Pond Pro Direct?
- Authorized EasyPro dealer — TH250 2-year warranty fully supported.
- Full Just-A-Falls™ lineup available — JAF8W (8'), JAF16W (16'), JAF24W (24'), JAF28W (28'). Call to compare sizes: (765) 508-4352.
- Free waterfall sizing consultation — we help you pick the right stream length and pump for your site.
- Price Match Guarantee — beat any authorized dealer price by $50 on orders over $2,000.
- 30-day return period. Call or text Mon–Fri 9 AM–5 PM EST: (765) 508-4352.
EasyPro JAF16W Pro-Series Just-A-Falls™ Kit: 16'×2' pondless waterfall stream. TH250 stainless pump (4,100 GPH, 250W, 2-yr), UWD23 23" spillway, JAFM vault, PDA20TH discharge, 5× HSC44 Res-Cubes (95%+ void space), 7'×20' stream liner + 10'×12' reservoir liner (both 45-mil EPDM, 20-yr guarantee), 2"×25' black PVC, installation hardware. Reservoir: 5'×5'×2' deep. Rocks not included. Ships truck freight — delivery appointment required.
Want the 8-foot or 24-foot version instead? Call or text (765) 508-4352 — Monday through Friday, 9 AM to 5 PM EST.
Price Match
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We will match or beat the lowest online price on its products.
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For more information, please check out Price Match Policy Page
Shipping & Delivery
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Returns & Refunds
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Custom or Made-to-Order Items
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