Viqua D4 Plus Ultraviolet Water System is a whole house ultraviolet disinfection water treatment system that offers a 12 gpm water flow rate and deactivates harmful bacteria, virus, and microorganisms. The Viqua D4 Plus compact design, simple installation, and low cost of operation is ideal for small to medium size home. Drink confidently with Viqua D4 Plus for quality and reliability from its high-output ultraviolet water purification system.
Specifications: - Three-Year Warranty High-Output UV Lamp
- Universal power input
- UV intensity monitor with diagnostic test
- Viqua controller with water-resistant case
- LED display showing lamp replacement reminder
- Indicator lights show the status of each system component
- Stainless steel chamber with safety cap and special lamp plug
- Lamp timer reset button and mute button to silence audio alarm
NOTE: This system is compatible with the 602805 Trojan Lamp and the 602732 Quartz Sleeve. For any necessary system replacements, the UV Lamp/Quartz Sleeve Combo Kit for D4 Plus includes:
- Trojan Lamp (1): 602805
- Trojan Quartz Sleeve (1): 602732
- Trojan O-Rings (2): 2045
California residents
Prop 65 Warning
WARNING! This product contains materials known to the State of California to cause cancer and birth defects or other reproductive harm. www.p65warnings.ca.gov
| Product Details |
|---|
Ambient Temperature Range | 32-122 °F |
Body Material | 304 Stainless Steel |
Features | Audible Lamp Failure |
Frequency Rate | 50/60 Hz |
Inlet Connection | 3/4" MPT |
Max Pressure (Psi) | 125 |
Min Pressure (Psi) | 4 |
Outlet Connection | 3/4" MPT |
Power | 50 Watts |
Size | 3/4" |
Connection Type | Male (MPT) |
Contaminants Reduced | Bacteria Heavy Metals Cysts |
Diameter | 4" |
Flow Rate | 23 GPM (16mJ/cm2 Dose) 12 GPM (30mJ/cm2 Dose) 9 GPM (40mJ/cm2 Dose) |
Type | Single UV System |
Voltage | 120 V |
| Warranty & Certifications |
|---|
Warranty | 3 yr on power supply and electrical compnents, 10 yrs on UV chamber, 1 yr on lamps and sensors |
| Shipping Dimensions |
|---|
Shipping Length | 22 in. |
Shipping Width | 11 in. |
Shipping Height | 10 in. |
| Product Weight & Dimensions |
|---|
Power Supply Dimensions | 8-1/2"x6" |
Product Length | 20-1/2" |
Product Weight (lbs) | 13.6 |




1. Your order is usually shipped out within 24-48 hours after your payment is received.
2. The tracking number of your parcel will be sent to you after your order is despatched. You may use the tracking number to check the status of your order online.
3. The shipping fee will be auto-added in the grand total when you send payment.