Whole-house UVC LED treatment starts with water flow.
On-Demand UV Treatment for Your Main Water Line.
GX-LED-12E starts with water flow and returns to standby when flow stops. Its compact design adds a UV stage after suitable pre-filtration. Check rated flow, plumbing adapters, and installation space before choosing your system.
Built-In Flow
16W
12 GPMGX-LED-12E runs only when your home uses water. The built-in flow switch activates the UVC LEDs automatically and turns them off when flow stops, so the 5,000-hour rating is used during actual treatment—not while the water line sits idle.
Service planning is based on LED operating time and system condition. Follow the maintenance requirements for your water quality and installation.
Actual service life depends on household water use, water quality, inlet conditions, and installation.
Whole-house UVC LED treatment starts with water flow.
The UVC LEDs remain off while there is no water demand.
Rated for 12 GPM / 45 LPM with 16W total power and 700mW UVC LED output.
Flow-activatedUV treatmentafter suitable pre-filtration
Installed at the point of entry after suitable pre-filtration, GX-LED-12E detects household water demand and activates the UVC LEDs only during flow.
UV is a microbiological treatment stage. It does not replace sediment filtration, carbon filtration, softening, or other treatment selected for the home’s water conditions.

Whole-house UVC LED disinfection is a microbiological treatment stage, not a substitute for filtration.
UV treatment works as water passes through the chamber. Clear water, suitable pre-filtration, flow, and maintenance help the system deliver its intended treatment conditions.
UV exposure can inactivate susceptible microorganisms, but delivered dose depends on flow, water clarity, UV transmittance, chamber condition, LED output, and maintenance.
For whole-house use, confirm measured peak flow and the required UV dose. The published GX-LED-12E flow rating is a planning reference, not a delivered-dose guarantee.
UV does not remove sediment, chlorine, hardness, scale, taste, odor, TDS, or dissolved chemicals. Use separate treatment when those are the goal.UV can be used for bacterial inactivation, but susceptibility and required dose vary by organism and test conditions.
Protozoa are a separate target group. Required dose and treatment performance must be evaluated for the organism and system conditions.
Some viruses require substantially higher UV doses than common bacterial targets. Evaluate virus performance separately for the system and conditions.
Spores and other resistant targets can require higher UV doses. Treat target-specific validation as a separate requirement.
Use a current water test to identify the treatment target. Install GX-LED-12E at the point of entry after suitable pre-filtration, with the chamber accessible for routine checks and service.
GX-LED-12E is rated at 12 GPM / 45 LPM. Check measured household peak flow and the required UV dose. Delivered dose depends on flow, UV transmittance, water clarity, LED output, chamber condition, and maintenance.
Use this scope guide to compare treatment targets and installation conditions. Organism examples are educational; a specific reduction claim requires matching test evidence.
Jump to official UV reference data ↓EPA's UV Disinfection Guidance Manual lists the following regulatory reference doses for public-water UV validation. They illustrate why results for one microorganism cannot stand in for another. These values are not GX-LED-12E performance ratings and should not be transferred directly to a UVC LED system.
| Target group | 1-log dose | 4-log dose |
|---|---|---|
| Cryptosporidium | 2.5 mJ/cm² | 22 mJ/cm² |
| Giardia | 2.1 mJ/cm² | 22 mJ/cm² |
| Virus | 58 mJ/cm² | 186 mJ/cm² |
Within the cited EPA framework, 1-log corresponds to 90% inactivation credit and 4-log to 99.99%. This reference table is separate from any GX-LED-12E product result. See the full guidance for scope, validation requirements, interpolation limits, and operating conditions.
Install GX-LED-12E at the point of entry after suitable pre-filtration. Confirm actual peak flow, pipe compatibility, power access, water clarity, pressure, bypass layout, and service clearance.
Model-specific installation instructions.
Request Installation InstructionsGet help with model-specific installation steps.
Get Installation SupportUse the purifier within its rated flow and water-quality limits. Performance depends on flow, water clarity, installation, and maintenance.
It provides compact, flow-activated whole-house UVC LED treatment at a 12 GPM rated flow with 16W total power. It is intended for homeowners who need a microbiological treatment stage after suitable pre-filtration.
It detects water movement and activates the UVC LEDs automatically during flow. The LEDs turn off when water demand stops, so operating hours accumulate during treatment rather than continuously.
It is the rated accumulated LED operating time, not a fixed calendar-life promise. Actual service life depends on household water use, inlet-water quality, flow, power conditions, and the installation environment.
Often, yes. UV works best with clear water. Sediment, rust, turbidity, iron, and hardness can interfere with UV exposure, so use suitable pretreatment when the water does not meet the manual’s requirements.
The reactor has G1 female ports. Confirm the correct 1-inch male NPT, PT, G, or R adapter for the actual plumbing standard before ordering and installation.
It does not remove sediment, chlorine, hardness, scale, TDS, taste, odor, or dissolved chemicals. It is a UVC LED disinfection stage—not a sediment filter, carbon filter, softener, descaler, or reverse-osmosis system.
Install it at the point of entry after suitable pre-filtration. Confirm peak flow, pipe and adapter compatibility, water clarity, pressure, power access, bypass layout, and enough clearance for installation and service.
Use the Product Finder to review water source, peak flow, pretreatment, pipe standard, and installation conditions.
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