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Best Watflow Water Meters

Watflow DN20 water meters offer precise cold water measurement for homes, gardens, and apartments. Featuring brass and stainless steel models with ISO4064 and AWWA certifications in cubic or gallon units.

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Watflow DN20 Stainless Steel Water Meter 3/4" NPT - Durable Cubic Flow Meter for Precise Water Monitoring

The Watflow DN20 SS Water Meter features a robust stainless steel body with 3/4" NPT couplings for straightforward horizontal installation. Its cubic meter measurement provides accurate flow tracking, making it ideal for plumbers, irrigators, and water system managers needing reliable monitoring.

  • Rust-resistant stainless steel body withstands harsh water environments for years of reliable use
  • Effortless installation via simple screw couplings saves time and professional fees
  • Includes complete accessory kit with SS nuts, pipes, washers, and caps for immediate setup
  • 3/4" NPT compatibility fits standard plumbing systems seamlessly
  • Precise cubic meter readings enable accurate water usage tracking and billing

Premium stainless steel construction for superior durability. Quick and tool-free installation process. Full accessory package included.

Measures in cubic meters only, requiring conversion for gallon-based systems. Must be installed horizontally for proper function. Limited to DN20 size, not suitable for larger pipes.

Watflow DN20 3/4" NPT Cold Water Meter - ISO4064 Certified Cubic Flowmeter for Home Garden Horizontal Install

The Watflow DN20 is a 3/4" NPT cold water meter measuring in cubic meters with ±1.2% accuracy and ISO4064 certification. Its brass construction and pulse output (10L/pulse) suit homeowners or gardeners needing reliable flow monitoring.

  • Achieve precise water usage tracking with ±1.2% accuracy and cubic meter readings
  • Ensure safety for drinking water applications via ISO4064 certification
  • Enjoy long-lasting durability from corrosion-resistant brass construction
  • Enable remote monitoring with 10L/pulse output for apps or data logging
  • Simplify installation with included brass nuts, pipes, washers, and sealing caps

High-precision measurement conforming to ISO4064 standards. Robust brass materials resist corrosion and wear. Equipped with pulse output for digital integration.

Measures only in cubic meters, not gallons. Requires horizontal installation and non-return valve for accuracy. Limited to cold water (0.1°C-50°C) applications.

Watflow DN20 Vertical Brass Water Meter with 3/4" NPT Couplings, Pulse Output, ISO4064 Certified for Home Garden Apartment

The Watflow DN20 is a heavy brass vertical cold water meter with 3/4" NPT couplings and pulse output, measuring accurately in cubic meters per ISO4064 standards. Its corrosion-resistant build and easy installation make it perfect for homeowners, gardeners, or apartment managers monitoring water usage.

  • Durable brass construction resists corrosion and ensures long-term reliability in harsh conditions
  • ISO4064-certified accuracy of ±1.5% for precise cold water measurement in cubic meters
  • Pulse output enables seamless integration with remote monitoring systems
  • Cleanable inlet filter minimizes maintenance and protects against debris without breaking seals
  • Effortless vertical installation with included 3/4" NPT couplings, nuts, pipes, washers, and caps

Corrosion-resistant brass body with high-quality steel bearings for durability. High accuracy and pulse output for reliable tracking. Easy 4-step installation with all accessories provided.

Measures in cubic meters, not gallons, requiring conversion. Limited to 10 GPM continuous flow to avoid damage. Suitable only for clean cold water, not industrial or hot liquids.

Watflow DN20 3/4" NPT AWWA C712 Gallon Water Meter - Precision Cold Flowmeter for Home, Garden, Apartment Horizontal Install

The Watflow DN20 is a certified AWWA C712 cold water meter measuring in gallons with 3/4" NPT threads for horizontal installation in homes, gardens, or apartments. Its ±1.2% high precision and durable brass construction ensure reliable tracking of water usage.

  • Track water usage precisely with ±1.2% accuracy and gallon readings for cost savings
  • Resist corrosion with eco-brass alloy body for years of dependable service
  • Install easily using standard 3/4" NPT threads in horizontal setups
  • Ensure safety for drinking water via AWWA C712 certification
  • Monitor remotely with 1GAL/PULSE output compatible with apps or PCs

AWWA C712 certified for accurate, reliable performance. Corrosion-resistant materials extend lifespan. High flow capacity up to 20GPM suits home demands.

Requires non-return valve at outlet for precise pulse readings. Horizontal installation only. Needs initial reading noted as data is irreversible.

Watflow DN20 3/4" NPT AWWA C708 Gallon Water Meter - Precise Cold Water Flow for Home, Garden, Apartment Horizontal Install

The Watflow DN20 is a 3/4" NPT cold water meter measuring in gallons with AWWA C708 certification and ±1.5% accuracy. It's ideal for homeowners tracking usage in gardens, homes, or apartments via horizontal installation and optional pulse output.

  • Track water usage precisely with ±1.5% accuracy and gallon readings for reliable billing or conservation
  • AWWA C708 certified for safe drinking water in homes, gardens, apartments, and light commercial spaces
  • Durable eco-brass body resists corrosion for long-lasting performance
  • Standard 3/4" NPT threads enable easy horizontal installation in most US plumbing setups
  • 1 gallon per pulse output supports remote monitoring via apps or PC to prevent backflow errors

High precision across flow rates from 0.25 GPM minimum to 20 GPM max. Lead-sealed register prevents tampering for trustworthy measurements. WRAS-certified casing suitable for potable water applications.

Requires non-return valve at outlet for accurate pulse output with backflow prevention. Designed for horizontal installation only, limiting vertical setups. Cold water use only; not rated for hot water or industrial liquids.

Discover the reliability of Watflow water meters, designed for precise measurement of cold water usage in residential and light commercial settings. These DN20 models, all equipped with 3/4" NPT couplings, cater to homeowners, gardeners, and apartment dwellers seeking durable, certified devices for monitoring water flow effectively. Whether tracking irrigation, household consumption, or submetering, Watflow delivers accuracy and ease of installation to help manage resources smartly.

Why Choose Watflow Water Meters?

Watflow stands out for its commitment to quality construction and compliance with international standards like ISO4064 and AWWA C712/708. Their meters feature robust materials such as heavy brass and stainless steel, ensuring longevity in demanding environments. What sets Watflow apart is the thoughtful variation in models—offering options for different installation orientations, measurement units, and advanced features like pulse outputs for remote monitoring integration. This makes them ideal for both DIY enthusiasts and professionals in the Test, Measure & Inspect space.

Key Features to Consider

When selecting a Watflow water meter, focus on these essential attributes:

  • Size and Compatibility: All models are DN20 (3/4" NPT), perfect for standard residential plumbing without adapters.
  • Material: Heavy brass for corrosion resistance or stainless steel for enhanced durability in harsh conditions.
  • Measurement Units: Cubic meters for metric systems or gallons for U.S. preferences, ensuring readability for your needs.
  • Certifications: ISO4064 for global standards or AWWA for North American compliance, guaranteeing precision and reliability.
  • Installation: Horizontal for most setups or vertical for space-constrained areas.
  • Extras: Pulse output on select models for smart home or irrigation system connectivity.

These features make Watflow meters versatile for gardens, homes, apartments, and even light industrial use within the broader Substance Analysis Instrumentation category.

Comparing Watflow DN20 Models

With five distinct models, Watflow provides tailored choices. The vertical heavy brass model with pulse output and cubic reading excels in tight spaces needing remote data logging, ideal for apartments. For straightforward horizontal installs, the AWWA-certified gallon models (708 and C712) suit U.S. users prioritizing local standards.

The stainless steel cubic version offers superior rust resistance for outdoor garden applications. Meanwhile, the ISO4064 cubic horizontal model provides metric precision for international or eco-focused setups. Choose brass for cost-effective reliability or stainless steel for premium longevity—gallons for American households, cubic for global compatibility. All ensure accurate, low-maintenance performance.

If you're expanding your measurement toolkit, explore related options in our Water Meters collection or the parent Industrial & Scientific section for comprehensive solutions.

Common Use Cases

Watflow meters shine in everyday scenarios:

Backed by rigorous testing, these meters support sustainable practices by promoting mindful consumption.

FAQ

What makes Watflow water meters different from competitors?

Watflow emphasizes durable materials, multiple certifications (ISO4064, AWWA), and features like pulse outputs at competitive specs, outperforming basic models in accuracy and versatility for residential use.

Which model is best for horizontal installation?

Opt for the AWWA C712 or 708 gallon models, or the ISO4064 cubic horizontal version—they install seamlessly in standard plumbing lines for gardens or homes.

Cubic meters vs. gallons: Which to choose?

Select cubic for metric systems or international compliance (ISO models); gallons for U.S. standards (AWWA models). Both deliver precise readings tailored to your region.

What is the warranty and support for Watflow products?

Watflow offers manufacturer warranties covering defects, with responsive customer support for installation queries. Check product packaging for specifics.

Vertical or horizontal: How to decide?

Horizontal suits most pipe runs; vertical fits upward flows in compact spaces like apartments. The pulse-output vertical brass model adds smart features for both.