8GPM 4-Stage Whole House UVC LED Water Purification System
Treatment Stages: 4 Stages
Rated Flow @ 30 mJ/cm²: 30 L/min / 8 GPM
Flow @ 16 mJ/cm²: 57 L/min
Flow @ 40 mJ/cm²: 23 L/min
Inlet / Outlet: 1"
1st Stage: 5 Micron PP Sediment Filter
2nd Stage: GAC Granular Activated Carbon Filter
3rd Stage: CTO Carbon Block Filter
Filter Size: 10" × 4.5"
UVC LED Reactor: AGLED-40012
UVC LED Input Power: 50 W
Maximum Pressure: 8 bar / 0.8 MPa
The VPS-104 Whole House UVC LED Water Purification System combines three filtration stages with UVC LED disinfection in one integrated point-of-entry water treatment platform.
Unlike conventional two-cartridge whole-house systems, VPS-104 uses three 10" × 4.5" Big Blue filter housings configured with:
PP Sediment Filter + GAC Filter + CTO Carbon Block + UVC LED
The additional granular activated carbon stage provides greater carbon-media capacity for applications where chlorine, taste and odour treatment is an important part of the whole-house water treatment process.
With a rated UVC treatment flow of 30 L/min (8 GPM) at 30 mJ/cm², VPS-104 is designed for residential whole-house systems, villas, municipal tap-water treatment and appropriately pretreated private-water supplies.
FOUR-STAGE WATER TREATMENT
Stage 1 - 5 Micron Sediment Filtration
The first stage uses a:
10" × 4.5" 5 Micron PP Sediment Filter
It is positioned at the beginning of the treatment train to reduce suspended particles such as:
Sand
Silt
Dirt
Rust
Fine suspended solids
Removing particulate material before the carbon stages helps protect downstream cartridges from unnecessary loading.
It also helps provide clearer water before the final UVC LED disinfection stage.
Stage 2 - GAC Granular Activated Carbon
The second stage is a:
10" × 4.5" GAC Filter
Granular activated carbon provides a large adsorptive surface area and supports the reduction of selected:
Chlorine
Unpleasant taste
Unpleasant odour
Selected organic compounds, depending on cartridge specification and water conditions
The VPS-104 specifically adds this GAC stage compared with the simpler VPS-103 treatment train.
Stage 3 - CTO Carbon Block Filtration
After the GAC stage, water passes through a:
10" × 4.5" CTO Carbon Block Filter
The CTO cartridge acts as an additional carbon-polishing stage.
Using GAC + CTO in sequence allows VPS-104 to provide two different carbon-filtration stages before UVC treatment rather than relying on a single carbon cartridge.
The actual reduction performance depends on the cartridge specification, incoming water quality, flow rate and service life.
Stage 4 - UVC LED Disinfection
The final stage uses the:
AGLED-40012 UVC LED Reactor
with a rated input power of:
50 W
UVC treatment is positioned after the three filtration stages so that suspended particles and selected water-quality concerns are addressed before microbial disinfection.
The VPS platform uses the AGLED-40012 as its serviceable UVC LED disinfection stage.

DUAL CARBON FILTRATION
Why Does VPS-104 Use Both GAC and CTO?
This is the main difference between VPS-104 and VPS-103.
VPS-103 uses:
PP + CTO + UVC LED
VPS-104 adds an additional GAC stage:
PP + GAC + CTO + UVC LED
The purpose is not to increase the UVC flow rate. Instead, VPS-104 provides a more complete filtration train for applications where carbon treatment is more important.
GAC Stage
Provides granular activated carbon media for adsorption and supports chlorine, taste and odour reduction.
CTO Stage
Provides a compact carbon-block polishing stage downstream of the GAC cartridge.
Combined Configuration
Using the two carbon stages sequentially gives system designers more filtration-media capacity and treatment flexibility before UVC disinfection.
Product Specifications
| Model | Flow Rate | Inlet / Outlet | 1st Stage | 2nd Stage | 3rd Stage | UV LED Input Power | Maximum Pressure |
|---|---|---|---|---|---|---|---|
| VPS-103 | 30 LPM (8 GPM) | 1" Female | 5 Micron Sediment Filter (10" × 4.5") | Carbon Filter (10" × 4.5") | / | 50 W | 8 bar (0.8 MPa) |
| VPS-203 | 45 LPM (12 GPM) | 1" Female | 5 Micron Sediment Filter (20" × 4.5") | Carbon Filter (20" × 4.5") | / | 50 W | 8 bar (0.8 MPa) |
| VPS-104 | 31 LPM (8 GPM) | 1" Female | 5 Micron Sediment Filter (10" × 4.5") | Carbon Filter (10" × 4.5") | Carbon Block Filter (10" × 4.5") | 50 W | 8 bar (0.8 MPa) |
| VPS-204 | 45 LPM (12 GPM) | 1" Female | 5 Micron Sediment Filter (20" × 4.5") | Carbon Filter (20" × 4.5") | Carbon Block Filter (20" × 4.5") | 50 W | 8 bar (0.8 MPa) |
| Item | Warranty |
|---|---|
| Reactor Chamber | One (1) Year |
| Limited Electronics | One (1) Year Limited |
| Parameter | Requirement |
|---|---|
| Hardness | < 7.0 gpg (120 ppm) |
| Iron | < 0.3 ppm |
| Manganese | < 0.05 ppm |
| Turbidity | < 1 NTU |
| Colour | None |
| UV Transmissivity | > 90% |
| Water Temperature Range | 4°C to 37°C (39°F to 100°F) |
| Feed Water Pressure | 10–100 psi (68.9–689 kPa; 0.68–6.89 bar) |
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