Premium 4-Stage Whole-House Treatment For Large Homes, Villas & Higher Water-Quality Requirements
Application: Whole House / Point-of-Entry
Treatment Stages: 4
Treatment Train: PP + GAC + CTO + UVC LED
Rated Flow @ 30 mJ/cm²: 45 L/min / 12 GPM
Flow @ 16 mJ/cm²: 85 L/min
Flow @ 40 mJ/cm²: 34 L/min
1st Stage: 5 μm PP Sediment
2nd Stage: GAC
3rd Stage: CTO Carbon Block
Filter Size: 20" × 4.5"
Number of Filter Housings: 3
UVC Reactor: AGLED-40012
UVC LED Power: 50 W
UVC Chamber: SUS 304
Inlet / Outlet: 1"
Operating Pressure: 10–100 PSI
Input: 100–240 V AC
Frequency: 50/60 Hz
UVC LED Service Interval: 5,000 Operating Hours
Open-Frame Size: 730 × 215 × 810 mm
The VPS-204 is a high-capacity four-stage point-of-entry water purification system designed for large homes, private villas and residential projects that require more than basic sediment and carbon filtration.
It combines three full-size 20" × 4.5" filtration stages with a 50W UVC LED disinfection reactor:
PP Sediment → GAC → CTO Carbon Block → UVC LED
At a UVC dose of 30 mJ/cm², the VPS-204 provides a rated treatment flow of:
45 L/min / 12 GPM
The result is a whole-house platform that combines higher residential flow with greater filtration-media capacity and two dedicated carbon-treatment stages.
DESIGNED FOR PROJECTS THAT NEED MORE THAN BASIC FILTRATION
Not every whole-house project needs the same treatment train.
For a relatively clean municipal water supply, a simpler sediment + carbon + UVC system may be sufficient.
Other projects may place greater emphasis on:
- Chlorine treatment
- Taste and odour improvement
- Greater carbon-media capacity
- Higher household water consumption
- Longer cartridge duty
- Multiple filtration steps before UVC
- Large villas or multi-bathroom properties
For these applications, VPS-204 adds an independent GAC stage before the downstream CTO carbon block.
This is the main reason to choose VPS-204 instead of VPS-203.
FOUR TREATMENT STAGES
Stage 1 - Sediment Filtration
20" × 4.5" · 5 Micron PP Filter
Reduces sand, silt, rust and suspended particles, helping protect downstream stages.
Stage 2 - GAC Filtration
20" × 4.5" GAC Filter
Helps reduce chlorine, unpleasant taste and odour.
Stage 3 - CTO Carbon Block
20" × 4.5" CTO Filter
Provides an additional carbon-polishing stage after GAC filtration.
Stage 4 - UVC LED Disinfection
AGLED-40012 · 50 W
Provides final microbial disinfection after filtration using a stainless-steel UVC LED reactor.

WATER QUALITY BEFORE UVC
UVC performance depends on the optical quality of the water entering the reactor.
The current VPS Owner's Manual limits published on the VPS page include:
| Parameter | Requirement |
|---|---|
| Turbidity | < 1 NTU |
| Total Iron | < 0.3 ppm |
| Hardness | < 120 ppm / 7 gpg |
| UV Transmittance | > 90% |
| Water Temperature | 4–37°C |
VPS-204 VS VPS-203
| Feature | VPS-203 | VPS-204 |
|---|---|---|
| Rated Flow @ 30 mJ/cm² | 12 GPM | 12 GPM |
| Filter Size | 20" × 4.5" | 20" × 4.5" |
| Filter Housings | 2 | 3 |
| Treatment Stages | 3 | 4 |
| Sediment | PP | PP |
| GAC Stage | - | Yes |
| CTO Stage | Yes | Yes |
| UVC LED | Yes | Yes |
| System Width | 540 mm | 730 mm |
| System Height | 810 mm | 810 mm |
| Best Positioning | Higher-flow filtration | Higher-flow + enhanced carbon treatment |
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