fol-da-tank|SKU:FGFDWE-4-NST-var-52248-ef8e0d

Fol-Da-Tank Water Eductor — Float Dock Venturi Drafting System

Draft Water From Inaccessible Sources Without Direct Pump Access

Drafts Inaccessible Water — Reaches ponds and remote supply points standard suction can't reach
Venturi-Driven Siphon — 2.5-inch line pushes water through cone for consistent drafting
No Buoys Required — Float dock design keeps the debris screen submerged automatically
Lightweight Aluminum Build — Field-proven durability without excessive weight for deployment
Multiple Thread Options — Available in NST, NPT, BSP, STORZ, and CAM configurations
  • Free Shipping -- LTL delivery to your site included
  • Free Pre-offer Spec Review -- We verify thread type, size, and orientation before you order

Price range: $1,999.00 through $2,709.00

30-day money back · No restocking fee

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In the box

  • Fol-Da-Tank Float Dock Water Eductor unit
  • Debris screen assembly
  • Thread orientation confirmed post-purchase via email
Fol-Da-Tank Water Eductor
Fol-Da-Tank Water Eductor — Float Dock Venturi Drafting System
$1,999.00 – $2,709.00Price range: $1,999.00 through $2,709.00

Draft Water From Inaccessible Sources Without Direct Pump Access

The Fol-Da-Tank Float Dock Water Eductor is a field-proven tool for drafting water from inaccessible sources — ponds, streams, and remote supply points where standard suction setups can't reach. A 2.5-inch supply line drives water through a cone to create the venturi effect, pulling water through the eductor without a direct pump connection. The float dock design keeps the debris screen submerged below the surface, clear of mud and rocks, and eliminates the need for separate buoys. Built-to-spec from lightweight aluminum with multiple thread configurations, this eductor is spec'd for fire departments, municipalities, and rural operations. Pay as low as $167/month with Affirm.

FREE SHIPPING30-DAY RETURNSEXPERT SUPPORTFREE SHIPPING30-DAY RETURNSEXPERT SUPPORTFREE SHIPPING30-DAY RETURNSEXPERT SUPPORTFREE SHIPPING30-DAY RETURNSEXPERT SUPPORTFREE SHIPPING30-DAY RETURNSEXPERT SUPPORTFREE SHIPPING30-DAY RETURNSEXPERT SUPPORT
Venturi Drafting
Debris Screen Protected
No Buoys Required
Lightweight Aluminum
2.5 in
Supply Line Size
4.0–6.0 in
Thread Size Range
5
Thread Type Options
Right Thread, Right Connection — We Verify Before It Ships

Right Thread, Right Connection — We Verify Before It Ships

Ordering a water eductor with the wrong thread type means it won't connect to your supply line on scene — and in a drafting operation, that downtime costs more than the unit. Tank Vault eliminates that risk. We verify your thread type, size, and orientation before the order ships, ensuring you receive a built-to-spec eductor that matches your existing hardware. Need NST for your department's manifolds? We confirm it. Running BSP for a municipal connection? We flag it. You select your configuration at checkout, and we follow up by email to confirm male or female orientation before the eductor leaves our facility. No guessing.

Venturi Drafting From Sources Standard Suction Can't Reach

Venturi Drafting From Sources Standard Suction Can't Reach

The eductor operates on a straightforward principle: a 2.5-inch supply line forces water through a cone, generating the venturi effect that pulls water from the source. This means you can draft from shallow ponds, marginal streams, and remote supply points where a direct suction draft would fail or pull air. For fire departments, municipalities, and industrial operations that need to move water from non-standard sources, the venturi approach converts available water pressure into reliable drafting force without requiring a pump to be positioned at the water's edge.

Float Dock Design Keeps Debris Out Without Extra Hardware

Float Dock Design Keeps Debris Out Without Extra Hardware

Traditional eductor setups require separate buoys or float assemblies to keep the intake screen positioned correctly in the water column. The Fol-Da-Tank float dock integrates that function into the eductor body itself. The debris screen stays submerged below the surface, away from mud, rocks, and surface debris that would clog the intake and choke your drafting operation. The lightweight aluminum construction keeps the unit manageable for deployment while holding up to field use. Fewer components to assemble on scene means faster setup and fewer failure points when you're moving water under pressure.

Compatibility Checklist

Verify these conditions before ordering to ensure the eductor integrates with your existing water supply setup.

  • Your water supply line matches the 2.5-inch inlet requirement
  • Your discharge connection accepts one of the available thread sizes (4.0, 4.5, 5.0, or 6.0 inch)
  • Your existing fittings match one of the five available thread types (NST, NPT, BSP, STORZ, or CAM)

Built for Demanding Water Access Scenarios

Where standard drafting fails, the venturi eductor keeps the water moving.

Fire Department Drafting
Remote Construction Water Supply
Agricultural Irrigation Drafting

Full specifications

At a glance

Dimensions
4.0 inch, 4.5 inch, 5.0 inch, 6.0 inch
Warranty
See product page
Full specifications7 data points across 4 categories

Dimensions

Thread Size4.0 inch, 4.5 inch, 5.0 inch, 6.0 inch

Power & Performance

Supply Line Size2.5 inch
Drafting MethodVenturi effect

Materials

ConstructionLightweight Aluminum

Compliance & Warranty

Thread TypeBSP, CAM, NPT, NST, STORZ
Thread OrientationMale, Female, STORZ (universal fitting that does not require male or female orientation)
WarrantySee product page

The Tank Vault Promise

Every product we carry is vetted for build quality and real-world performance. If it doesn't meet our standards, it doesn't make the cut.

Free Shipping on Every OrderLTL freight delivery to your job site or facility — no minimums, no thresholds.
30-Day Hassle-Free ReturnsUninstalled, original packaging — contact us immediately if there's delivery damage.
Pre-offer Spec ReviewWe verify your thread type, size, and orientation requirements before you order. No guesswork.
★★★★★
“We needed a 5-inch NST eductor for drafting off a retention pond at our training grounds. Tank Vault confirmed our thread spec and male orientation before it shipped. Connected straight to our supply line with no adapters. The float dock kept the screen clean even in muddy conditions — no clogging, no downtime.”
F
First L.Columbus, OH

The Fol Da Tank Float Dock Water Eductor allows you to siphon from difficult and otherwise inaccessible water sources.

The water eductor uses a 2.5 inch line to push water through a cone, creating the venturi effect. 

The water eductor’s float dock design eliminates the need for buoys and ensures the debris screen remains below the below the surface of the water and away from mud, rocks, and debris.

Note: we confirm with you by email after purchase whether you prefer a male or female thread orientation.

Water Eductor Features:

  • Lightweight Aluminum design.
  • Siphons water from inaccessible water sources.
  • Eliminates the need for buoys.
  • The design ensures the debris screen remains below the surface of the water.

Choose from the following options:

Thread Size (inches):

  • 4.0
  • 4.5
  • 5.0
  • 6.0

Thread Type

  • NST
  • NPT
  • BSP
  • STORZ
  • CAM

 Thread Orientation

*we confirm by email after purchase which thread orientation you prefer.

  • Female
  • Male
  • STORZ – universal fitting that does not require male or female orientation.

Additional options:

  • Check other Water Eductor options or all Fol Da Tank options.

Additional information

Thread Type

BSP, CAM, NPT, NST, STORZ
Size

4.0 inch, 4.5 inch, 5.0 inch, 6.0 inch

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Frequently Asked Questions

That depends on your existing supply line and connection hardware. NST is common in fire department operations. NPT is standard for general plumbing and industrial connections. BSP is used in municipal and international applications. STORZ is a universal quick-connect fitting that doesn't require male or female orientation. CAM locks are common in agricultural and industrial fluid transfer. If you're unsure which thread type matches your setup, contact Tank Vault before ordering — we'll help you identify the correct configuration for your application.
A 2.5-inch supply line delivers water under pressure through a cone inside the eductor body. As the water accelerates through the constriction, it creates a pressure differential — the venturi effect — that draws water from the source through the intake screen. You're using available water pressure from a pump or hydrant to pull water from a location your pump can't directly access. It's a straightforward, field-proven method that requires no moving parts inside the eductor itself.
The Fol-Da-Tank Water Eductor is available in 4.0-inch, 4.5-inch, 5.0-inch, and 6.0-inch thread sizes. The correct size depends on your supply line diameter and the flow rate you need to achieve. Larger thread sizes accommodate higher flow volumes. Match the eductor size to your existing hardware and the output requirements of your drafting operation. If you need help determining the right size for your setup, reach out to Tank Vault with your supply line specifications and we'll confirm the correct fit.
After you place your order, Tank Vault contacts you by email to confirm whether you need a male or female thread orientation. STORZ fittings are universal and do not require a male or female selection. This post-purchase confirmation step ensures you receive the exact configuration that connects to your supply line — not a guess based on a dropdown menu. If you already know your orientation requirement, include it in your order notes and we'll process it without delay.
Lead time varies based on the thread type, size, and orientation you select. Standard configurations typically ship within a standard fulfillment window. If you have a specific deadline — a training exercise, a contracted project, or a compliance requirement — contact Tank Vault before placing your order. We'll confirm current availability and estimated delivery to your location. We arrange freight nationwide and can coordinate delivery requirements specific to your site.
Same product, same manufacturer — with an added layer of specification support. Tank Vault helps you confirm the correct thread type, size, and orientation for your application before the order processes. Direct from the manufacturer, you're expected to know exactly what you need. With us, you get pre-offer spec review to catch mismatches before they become return freight claims. We also arrange LTL freight to your job site or facility.
SKU: FGFDWE-4-NST Categories: , Brand:

The Tank Vault Promise

Every product we carry is vetted for build quality and real-world performance. If it doesn't meet our standards, it doesn't make the cut.

Free Shipping on Every Order LTL freight delivery to your job site or facility — no minimums, no thresholds.
30-Day Hassle-Free Returns Uninstalled, original packaging — contact us immediately if there's delivery damage.
Pre-offer Spec Review We verify your thread type, size, and orientation requirements before you order. No guesswork.

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