Skip to main content

Send Us a Message

Search

TrolMaster DFM-3 1.5" Digital Inline Flow Meter

$115.50 USD
starting from 0% interest financing from /mo.

Payment Options

Options:Pay in Four, Pay Monthly
Amount:Up to $1,500 (Pay in 4)
Up to $10,000 (Monthly)
Schedule:Bi-weekly to Monthly
Term:6 weeks, 12 or 24 months
Interest:0% to 35.99% APR*
Credit Check?Soft Check Only
Schedule:Bi-weekly to Monthly
Term:6 weeks, 6 or 12 months
Interest:0% to 35.99% APR*
Credit Check?Soft Check Only
Finance up to:$4,000
Must apply on a desktop device.
Schedule:Flexible
Term:Up to 36 months
Interest:Processing fee + interest
Lease-to-Own?Yes
Amount:$500 to $10,000
  • Enables volume-based irrigation for 1.5-inch lines to ensure plants receive exact nutrient doses.
  • Integrated onsite LCD display provides live flow readings for immediate manual verification.
  • Compatible exclusively with the TrolMaster Aqua-X Pro System (GCS-1) for data integration.
  • 3-year warranty on all mechanical and electronic components
  • View More Details

Earn 109 points for shopping and get $1.09 off your next order. Join Harvest Club for free.

Questions? Talk to a specialist. Mon–Fri, 9am–5pm PST
Free Shipping On Most Items* To the lower 48
Transparent Pricing Backed w/ price match guarantee
1939+ Reviews 4.8/5 average
Secure Checkout SSL encrypted payments

Send Us a Message

VOLUME PRICING

Commercial & Bulk Purchasing

We support operations & licensed facilities with volume pricing, dedicated account managers, and custom equipment consultation.

Commercial Inquiry

Contact Information
THROUGH THE Cultivator's LENS Hands-On Evaluation

Who This Is For

  • You are switching to volume-based feeding because timer-based cycles vary when pump pressure fluctuates.
  • You are upgrading your 1.5-inch mains because precise nutrient dosing is impossible with time-only setups.

What We Found

  • We noticed the onsite LCD is a lifesaver for quick spot checks without needing to pull up the app every time.
  • The 1.5-inch sizing is the sweet spot for high-flow commercial setups that outgrow standard garden plumbing.

What Users Say

  • Users who switched to volume dosing say they stopped seeing nutrient burn caused by pressure spikes in the lines.
  • Facilities report that the flow data helped them find hidden clogs before they killed a whole crop zone.

TrolMaster DFM-3 1.5" Digital Inline Flow Meter

Achieving consistent crop yields in large-scale greenhouse operations requires absolute precision in nutrient delivery, yet traditional time-based irrigation often falls short due to fluctuating line pressure and pump performance. The TrolMaster DFM-3 Environmental Control solves this by upgrading your 1.5-inch irrigation mains with high-capacity digital flow monitoring. By shifting from time-based to volume-based scheduling, you ensure that every plant receives the exact dose of nutrient solution required, regardless of external variables.

Designed to integrate seamlessly with the TrolMaster Aqua-X Pro system, the DFM-3 provides real-time data that empowers growers to optimize their water usage. Beyond its immediate precision, the unit features an onsite LCD for quick visual checks and a future-ready architecture built to support advanced diagnostics like leak detection and line blockage sensing. Whether you are managing a complex greenhouse control setup or a high-flow commercial facility, the DFM-3 is the essential tool for data-driven irrigation management.

Compatibility: TrolMaster Aqua-X Pro System (GCS-1)


What's Included

  • 1 × 1.5" Digital Inline Flow Meter (DFM-3)

Features

💧
Volume-Based Irrigation

Enables the Aqua-X Pro to irrigate by precise volume rather than time, ensuring each zone receives exact nutrient doses.

📊
Real-Time Monitoring

Continuously measures flow through 1.5" lines, feeding accurate data directly to your central controller.

🖥️
Onsite LCD Display

Built-in screen provides live flow readings at the installation point for immediate manual verification.

🔮
Future-Ready Tech

Hardware designed to support future firmware updates for leak detection and blockage sensing capabilities.


TrolMaster DFM-3 Specifications

Specification Value
Pipe Size 1.5"
Display LCD (onsite flow readout)
Compatible System Aqua-X Pro (GCS-1) only
Working Environment Temperature 32–122°F (0–50°C), Humidity ≤90%

Warranty

TrolMaster backs the DFM-3 with a 3-year warranty from the original date of purchase, covering all mechanical and electronic components under normal operating conditions. Components that fail due to abnormal or improper usage are excluded from this coverage.


FAQs

How does the DFM-3 differ from the DFM-1 and DFM-2?+

The DFM-1, DFM-2, and DFM-3 provide identical functionality for the Aqua-X Pro system. The primary difference is the pipe diameter: the DFM-1 is for 1" lines, the DFM-2 for 1.25" lines, and the DFM-3 is specifically for 1.5" irrigation mains.

Why choose volume-based irrigation over time-based scheduling?+

Time-based scheduling assumes constant pressure, which is rare in commercial grows. Volume-based control ensures precise delivery regardless of pump wear or pressure drops. For maximum accuracy, many growers pair this with the TrolMaster WCS-3 Environmental Control to monitor actual substrate moisture.

Which controller systems is the DFM-3 compatible with?+

The DFM-3 is designed exclusively for the TrolMaster Aqua-X Pro (GCS-1) irrigation control system. It is not compatible with standard Hydro-X or Tent-X controllers.

Can the DFM-3 detect leaks or blockages?+

The hardware is built to support these features, but they are not active in the current firmware. TrolMaster intends to enable leak detection and blockage sensing via future software updates.

How many DFM-3 units can I connect to one controller?+

The Aqua-X Pro system supports one digital flow meter per controller set. If you need to monitor multiple independent main lines, each will require its own controller and flow meter setup.

Happy To Help

Questions About This Product?

Our specialists are happy to help. Call us or send a message and we'll get back to you within one business day (most of the time within a few hours.)

Call (360) 800-5535

Why Trimleaf

Equipping home growers, craft producers, and commercial operations across North America since 2016.

10+
Years of Specialist Knowledge
4.8★
Over 1,900 Verified Reviews
50,000+
Growers Served
120+
Top Equipment Brands in Stock