Inline UVC-LED Disinfection Module – 3 L/min | UV Water Systems Oman

UV-C LED technology represents a fundamental shift in water disinfection away from mercury-containing germicidal lamps. Where traditional UV sterilizers use a low-pressure mercury lamp to generate 254 nm radiation, UVC-LED modules use semiconductor diodes emitting at 265–280 nm — a wavelength range that is equally effective at DNA damage in waterborne pathogens and carries several practical advantages for residential point-of-use applications. The UVC-LED inline disinfection module supplied by UV Water Systems in Muscat operates at 3 L/min — precisely matched to the permeate flow rate of residential 50–75 GPD RO systems — and is designed for compact under-sink installation after the RO storage tank at the point of delivery to the faucet. It contains no mercury, requires no warm-up time (unlike traditional mercury lamps), and switches on and off instantly with each water draw, operating only when water actually flows — which extends component life significantly compared to lamps that run continuously.

UVC-LED vs. Traditional Mercury Lamp UV

The key practical differences between UVC-LED and mercury lamp UV in a residential application: mercury lamps require 2–3 minutes to reach full UV output after switching on — they must either run continuously (consuming energy) or leave the first draw of each session under-disinfected during warm-up. UVC-LED devices reach full UV output within microseconds of activation, making true flow-triggered operation practical. LED devices also have longer rated lifespans (8,000–10,000 hours with gradual output decline versus sharp lamp-end-of-life failure in mercury lamps) and contain no hazardous mercury — safe for installation in residential water dispensers and children’s water points without the handling concerns associated with mercury lamp replacement.

Key Features and Benefits

Mercury-free UVC-LED technology: No mercury in the disinfection element — safe for households with children, eliminates mercury disposal concerns at end-of-life, and removes the risk of mercury contamination if the device is damaged during installation or maintenance.
Instant-on operation, no warm-up: Full UV-C output within microseconds — enables true flow-triggered operation where the device activates only when water is drawn, with zero under-disinfected water delivered during warm-up compared to mercury lamp systems.
3 L/min matched to residential RO output: Flow rate precisely matched to the permeate delivery rate of standard residential 50–75 GPD RO systems — operates within design parameters at the normal draw rates of a household faucet without dose reduction from flow rate exceedance.
Compact inline form factor: Cylinder design approximately 100mm × 25mm — fits easily in under-sink RO installation space without requiring additional housing or bracket mounting, compatible with standard 1/4-inch push-fit tube connections.
Low voltage DC operation: Operates from the RO system’s existing 24V DC or USB-compatible power supply — no separate power outlet required for installation in standard residential RO configurations.

Technical Specifications

Flow rate: 3 L/min (matched to residential RO output)
UV-C wavelength: 265–280 nm (UVC-LED peak)
UV dose: ≥16 mJ/cm² at rated flow (4-log E. coli inactivation)
Power supply: 24V DC / USB compatible
Service life: 8,000–10,000 hours (LED)
Connection: 1/4-inch push-fit tube

Applications Across Oman

The UVC-LED inline module is installed in premium residential RO systems, water dispensers, and drinking water points across Muscat. UV Water Systems fits UVC-LED modules as the final disinfection barrier in under-sink RO systems and free-standing water dispensers for residential clients, schools, and offices throughout Oman. Contact UV Water Systems at +968 9763 7786 for supply and installation.

Frequently Asked Questions

Is UVC-LED as effective as mercury lamp UV at 254 nm? UVC-LED devices operating at 265–280 nm achieve equivalent pathogen inactivation to 254 nm mercury lamp systems at equivalent UV doses. The DNA absorption spectrum of most waterborne pathogens is broad enough that 265–280 nm is fully effective. The LED dose is verified in the manufacturer’s test data for E. coli, MS2 bacteriophage, and other challenge organisms.

How long does the UVC-LED module last? The LED array is rated for 8,000–10,000 hours of operating time with gradual output decline. Unlike mercury lamps that fail abruptly, LED output declines slowly — UV Water Systems recommends replacing the module when cumulative operating hours reach the rated limit, which at 3 L/min residential draw rates typically represents 3–5 years of normal household use.

UV Water Systems is an ISO 9001:2015 certified water treatment company based in Muscat, Sultanate of Oman, with 14+ years of experience. We supply, install, and service water treatment solutions for residential, commercial, and industrial clients across Oman. Call +968 9763 7786 or visit www.uvwater.biz.

Mercury Free UV

Inline UVC-LED Disinfection Module 3 L per min – UV Water Systems Oman