Specification Sheet

ManualsBrandsViqua ManualsHome & KitchenViqua D4 UV Water Purification System

• Equipped to inactivate chlorine-resistant parasites such as

Cryptosporidium and Giardia, harmful bacteria like E.Coli,

and viruses not visible to the naked eye.

• The special lamp plug ensures that no one can power the

UV lamp if it’s not in the UV chamber, and a new and

improved sensor on the D4+ ensures safe UV levels

are maintained.

• Our high output UV lamp is engineered to maximize

UV output.

• Indicator lights (D4 model) show the status of system

components and warning lights appear when system

maintenance is required.

• Standard controller (D4 model) features a countdown to

annual lamp replacement, a countdown reset button, and

a warning alarm silencing button.

• NEW LCD controller (for D4 Premium and D4+ models)

features a large backlit display for easy reading,

simultaneously displaying lamp life remaining, UV Intensity

Status (D4+ only), support contact information, and lamp

replacement reminder that indicates when the lamp needs

to be replaced, ensuring continued water safety. The

intuitive, user- friendly menu is dealer programmable and

allows the user to quickly ﬁnd the replacement parts

needed for the system by using the replacement parts

menu, as well as quick-reference instructions on board for

system troubleshooting.

HOT WATER PIPES

COLD WATER PIPES

SHUT-OFF

VALVE

OPTIONAL

SOLENOID

VALVE

SHUT-OFF

VALVE

OPTIONAL

BY-PASS

ASSEMBLY

OPTIONAL

TEMPERATURE

MANAGEMENT

VALVE

OPTIONAL

SENSOR

JUNCTION

BOX

GFI CIRCUIT

TO MATCH

VO LTAG E

WATER METER

MAIN

WATER

SHUT-OFF

5 MICRON

SEDIMENT

FILTER

OPTIONAL

CARBON

FILTER

OPTIONAL BY-PASS ASSEMBLY OPTIONAL BY-PASS ASSEMBLY

OPTIONAL

WATER

SOFTENER

DRAIN

2:00

TIME OF DAY

D4, D4 Premium, & D4+

Features of VIQUA UV water disinfection systems

The quality of drinking water can change with time and become

contaminated with harmful bacteria. The VIQUA HOME family of compact

UV disinfection systems provide a reliable, economical, and

chemical-free way to safeguard drinking water in any residential

application. VIQUA’s range of products have been designed and tested to

ensure quality drinking water is at everyone’s ﬁnger tips.

Regardless of your need, there is a VIQUA system to suit your

requirements. The D4 series offers disinfection for ﬂow rates as high

as 12 GPM, covering a wide variety of residential applications.

Ultraviolet Water Disinfection Systems from VIQUA

Summary of content (2 pages)

PAGE 1
D4, D4 Premium, & D4+ Ultraviolet Water Disinfection Systems from VIQUA The quality of drinking water can change with time and become contaminated with harmful bacteria. The VIQUA HOME family of compact UV disinfection systems provide a reliable, economical, and chemical-free way to safeguard drinking water in any residential application. VIQUA’s range of products have been designed and tested to ensure quality drinking water is at everyone’s finger tips.
PAGE 2
Specifications D4 (650694-R) D4 Premium (660089-R) D4+ (650695-R) US Public Health (16 mJ/cm2) 23 GPM (87 lpm) (5.2 m3/hr) 23 GPM (87 lpm) (5.2 m3/hr) 23 GPM (87 lpm) (5.2 m3/hr) VIQUA Standard (30 mJ/cm2) 12 GPM (45 lpm) (2.7 m3/hr) 12 GPM (45 lpm) (2.7 m3/hr) 12 GPM (45 lpm) (2.7 m3/hr) NSF/EPA (40 mJ/cm2) 9 GPM (34 lpm) (2 m3/hr) 9 GPM (34 lpm) (2 m3/hr) 9 GPM (34 lpm) (2 m3/hr) Chamber 20.5” x 4” (52 cm x 10 cm) 20.5” x 4” (52 cm x 10 cm) 20.5” x 4” (52 cm x 10 cm) Controller 8.