Trojan UVMax Model D4 (#650694-R)

Trojan UVMax Model D4 (#650694-R)

MSRP: US$765.00
Our Price: US$539.00
You save: $226.00

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Viqua (Trojan) UVMax D4
- #650694-R

The Viqua (Trojan) UVMax Model D4 offers the same level of sterilization as the Model C4, however, it has several additional features including a elapsed time meter and lamp replacement reminder. However, the most important difference between the Model C4 and D4 is that the Model D has two important capabilities that the Model C4 does not: a UV intensity monitor, and the ability to add an optional solenoid kit. Similar to the Model C4, the Model D4 is appropriate for most residential applications where flow rates will generally not exceed about 12 gallons per minute. The Viqua (Trojan) UVMax D4 replaced the previous generation Model D in late 2008.

First, the Model D4 can be equiped with an optional UV intensity monitor. The UV intensity monitor continuously monitors the intensity of the UV light to ensure that the water is receiving an adequate dose of UV light to kill the bacteria, viruses, etc. The use of a model with a UV intensity monitor is generally recommended where a known E.coli or other serious problem is present or the feed water parameters may cause problems with UV tramsmittance from time to time (sediment flushing, iron or hard water scale build-up on the UV sleeve etc.). The UV intensity monitor MUST be purchased at the same time as the unit - it CANNOT be added at a later date. When equiped with the UV intensity monitor, it is referred to as the Viqua UVMax D4+ (PLUS).

Second, the Viqua (Trojan) UVMax Model D4 can also be equiped with an optional solenoid emergency shut-off kit.

The D4 is also available as a D4 Premium with LCD display.

UVMax Manual

UVMax Brochure
Model D4 Specifications
Application average home
Maximum Flow Rate
12 GPM (45 LPM)
Maximum Flow Rate
9 GPM (34 LPM)
Audible/Visual Lamp
Failure Alarm
No Tools Maintenance
Constant Current Electronic Power Supply
Handy Reference Card
Lamp Timer Display and Reset
Alarm Mute
UV Intensity Monitor optional
Emergency Solenoid Shut-Off Kit optional
Flow Restrictor optional
Water Chamber Material stainless
steel (304)
UV Sleeve Material quartz
Inlet/Oulet 3/4 inch NPT
Electrical 100-240v, 50/60HZ
Max. Current (AMPS) 0.5
Max. Power (watts) 50
Lamp Power (watts) 40
Lamp Length 16"
Chamber Assembly Size 20.5 x 4"
52 x 10cm
Control Module Size 8.5 x 6"
22 x 15 cm

* For most residential applications, we recommend a UV dose of at least 40 mJ/cm2. Flow rate recommendations are based on 95% UV transmittance (UVT) and after 9,000 hours of bulb operation.

Feed Water Quality Parameters
Iron 0.3 ppm
(0.3 mg/L)
Hardness 120 ppm
(7 grains/gal)
UV Transmittance (UVT): 75%
Maximum Temperature: 86F (30C)
Maximum Pressure: 125 psi

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