Noritz
Zilmet ActivFlo Lite 3/4" FNPT Water Conditioner (ZAFL2234)
Zilmet ActivFlo Lite 3/4" FNPT Water Conditioner (ZAFL2234)
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Zilmet ActivFlo Lite 3/4" FNPT Water Conditioner (ZAFL2234)
The Zilmet ActivFlo Lite is a premium salt-free water conditioner designed to protect tankless and traditional water heaters from scale buildup. Using a proven galvanic catalytic process, the ActivFlo Lite improves efficiency, extends equipment life, and reduces maintenance — all without salt, chemicals, electricity, or filter replacements. Perfect for homes with hard water and any property running a tankless water heater system.
Why Choose ActivFlo Lite?
- 100% salt-free & maintenance-free — zero power, zero chemicals, zero ongoing cost
- Protects tankless and tank water heaters from scale buildup and efficiency loss
- Eco-friendly solution — keeps beneficial minerals without adding contaminants
- Improves heater efficiency by reducing limescale on heat exchangers
- Compact stainless steel body installs inline in minutes
- Bi-directional design — easy installation in any direction
- 12-year manufacturer warranty for long-term protection
How the ActivFlo Technology Works
Inside the stainless steel housing is a galvanic alloy element. As water flows through the chamber, hardness minerals such as calcium and magnesium are transformed into non-adhering aragonite crystals. This prevents them from bonding to pipes, fixtures, and heat exchangers — significantly reducing scale formation and helping remove existing deposits over time.
Ideal Applications
- Tankless water heaters (Navien, Rinnai, Takagi, Noritz, Rheem, etc.)
- Traditional tank water heaters
- Homes with hard water scale issues
- Rental properties requiring low-maintenance solutions
- Point-of-use protection for appliances and fixtures
Technical Specifications
| Brand | Zilmet |
| Model / MPN | ZAFL2234 |
| UPC | 5055143774795 |
| Connection Size | 3/4" FNPT x 3/4" FNPT |
| Flow Direction | Bi-directional |
| Max Operating Temperature | 210°F |
| Max Operating Pressure | 232 PSI |
| Optimum Flow Rate | Up to 4.2 GPM |
| Maximum Flow Rate | 12.4 GPM |
| Housing Material | Stainless Steel |
| Overall Length | Approx. 8.1" |
| Warranty | 12-Year Limited Warranty |
Benefits for Hard Water & Tankless Systems
- Protects heat exchangers from scale buildup
- Maintains peak efficiency for tankless units
- Reduces service calls and descaling maintenance
- Extends water heater lifespan
- Improves flow rate consistency
- Green alternative to salt-based softeners
Installation Information
- Installs inline on 3/4" plumbing
- Works with Copper, PEX, CPVC, or PVC (with adapters)
- Install on the cold inlet of tankless systems
- Professional installation recommended but not required
Need assistance pairing ActivFlo Lite with your tankless water heater? Our team is here to help you size and select the right accessories.
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