

Viqua Sterilight 2.5-3.5 GPM UV VT4
Key item features
- Compact Design: The 2.5 slimline chamber, measuring 17 inches, allows for easy installation in confined spaces like under sinks or near faucets.
- Durable Construction: A robust 304-grade stainless steel chamber protects the UV bulb and ensures consistent performance.
- Intuitive Monitoring: An LED indicator light confirms power-on, and a safety interlock simplifies maintenance procedures.
- Low-Flow Application: This system is designed for point-of-use disinfection in faucets, water fountains, and other low-flow applications up to 3.5 GPM.
- Versatile Power: The unit is capable of operating with 100-240V, 50-60Hz electrical inputs, with specific models suited for different voltages due to integrated electrical connections.
Specs
- Filtration stages1
- Brandunknown
- FeaturesTwist And Lock Design
- Has written warrantyYes - Warranty Text
- Weight5.95 lb
- Color typeSilver
- Free shipping
Free 30-day returns
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About this item
Product details
The VT4 is a basic, point-of-use, disinfection system for faucets, water fountains and other low-flow applications with a flow rate of 3.5 GPM or less. Features include compact size for convenient installation, stainless steel chamber to protect the UV bulb from damage and a light indicating when the system is on. Capable of 100-240V, 50-60Hz. Though the VIQUA VT4 comes in various voltages, be aware of which versions meet your requirements since the electrical connections are integrated into the controller making specific models suitable for specific voltages.
Read a full review of the VIQUA VT4 UV system.
To request international electrical plug types “F” (Europe), “G” (UK), and “I” (Australia) be included with your system at no charge, please email customer support, after ordering.
- Space‑Saving Footprint – 17″ × 2.5″ slimline chamber installs easily in tight spaces under sinks or near faucets.
- Built‑Tough Stainless Steel – Durable 304‑grade chamber protects the bulb and maintains consistent output.
- Intuitive LED Indicator – Power-on light and safety interlock ensure simple, safe maintenance.
Specifications
Under-sink & countertop filtration system type
Filtration stages
Brand
Features
Warranty
Warranty information
Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.
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| Filtration stages | 1Viqua Sterilight 2.5-3.5 GPM UV VT4 | 8Cobectal Multi Filter 3-Stage Under-Sink & Countertop Filtration System, Rseverse Osmosis System Water Purifier | 8NU Aqua 8-Stage Countertop Reverse Osmosis Water Filter System With UV Sterilization | 7VonWater 800GPD Tankless Reverse Osmosis Water Filter System, 2:1 Pure to Drain Under Sink RO Water Filtration System with Extra RO, PPC Filter | 1Brita Hub Countertop Water Filtration Device, Water Dispenser, 12 Cup Reservoir, Includes 6-Month Filter, White | 7VonWater 528Gallon Countertop Reverse Osmosis Water Filter System, 7 Stage RO Purifier with UV, 3:1 Pure to Drain Water Filtration System | 4AO Smith Main Faucet Filter Replacement |
|---|---|---|---|---|---|---|---|
| Features | Twist And Lock DesignViqua Sterilight 2.5-3.5 GPM UV VT4 | Multi FilterCobectal Multi Filter 3-Stage Under-Sink & Countertop Filtration System, Rseverse Osmosis System Water Purifier | -NU Aqua 8-Stage Countertop Reverse Osmosis Water Filter System With UV Sterilization | Twist And Lock DesignVonWater 800GPD Tankless Reverse Osmosis Water Filter System, 2:1 Pure to Drain Under Sink RO Water Filtration System with Extra RO, PPC Filter | Automatic Shut OffBrita Hub Countertop Water Filtration Device, Water Dispenser, 12 Cup Reservoir, Includes 6-Month Filter, White | Multi FilterVonWater 528Gallon Countertop Reverse Osmosis Water Filter System, 7 Stage RO Purifier with UV, 3:1 Pure to Drain Water Filtration System | -AO Smith Main Faucet Filter Replacement |
| Has written warranty | Yes - Warranty TextViqua Sterilight 2.5-3.5 GPM UV VT4 | -Cobectal Multi Filter 3-Stage Under-Sink & Countertop Filtration System, Rseverse Osmosis System Water Purifier | NoNU Aqua 8-Stage Countertop Reverse Osmosis Water Filter System With UV Sterilization | Yes - Warranty URLVonWater 800GPD Tankless Reverse Osmosis Water Filter System, 2:1 Pure to Drain Under Sink RO Water Filtration System with Extra RO, PPC Filter | -Brita Hub Countertop Water Filtration Device, Water Dispenser, 12 Cup Reservoir, Includes 6-Month Filter, White | -VonWater 528Gallon Countertop Reverse Osmosis Water Filter System, 7 Stage RO Purifier with UV, 3:1 Pure to Drain Water Filtration System | NoAO Smith Main Faucet Filter Replacement |
| Weight | 5.95 lbViqua Sterilight 2.5-3.5 GPM UV VT4 | 2.42 lbCobectal Multi Filter 3-Stage Under-Sink & Countertop Filtration System, Rseverse Osmosis System Water Purifier | -NU Aqua 8-Stage Countertop Reverse Osmosis Water Filter System With UV Sterilization | 18.82 lbVonWater 800GPD Tankless Reverse Osmosis Water Filter System, 2:1 Pure to Drain Under Sink RO Water Filtration System with Extra RO, PPC Filter | 10.32 lbBrita Hub Countertop Water Filtration Device, Water Dispenser, 12 Cup Reservoir, Includes 6-Month Filter, White | 17 lbVonWater 528Gallon Countertop Reverse Osmosis Water Filter System, 7 Stage RO Purifier with UV, 3:1 Pure to Drain Water Filtration System | -AO Smith Main Faucet Filter Replacement |
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