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Viqua SHF-140 Model

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Additional UV Lamp
Additional Quartz Sleeve

tick point170 GPM commercial UV disinfection system
tick pointInactivate harmful microorganisms in water
tick pointConsistent and reliable UV output over the entire life of the lamp
tick pointReliable, economical, chemical-free way to safeguard drinking water
tick pointVisual Lamp Life Remaining and Audible Lamp Failure

Product Information

Ultraviolet Water Disinfection Systems from VIQUA

The VIQUA SHF-140 is a four lamp UV disinfection system manufactured from superior quality 316 stainless steel chamber and capable of rendering chlorine-resistant parasites, bacteria and viruses harmless at 170 GPM. Perfect for a wide range of commercial applications including, small businesses, hospitals, dentist offices, etc.

install viqua shf model
The quality of drinking water can change with time and become contaminated with harmful bacteria. The PROFESSIONAL family of compact UV disinfection systems provide a reliable, economical, and chemical-free way to safeguard drinking water in any light commercial application. VIQUA’s 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. VIQUA’s High-Flow series offers systems with flow rates of up to 290 GPM (65 m3/hr) for facilities with higher water demands.

VIQUA’s line of High Flow UV water disinfection systems have been specifically designed to extend the flow rate range of drinking water that can be safeguarded using the proven and trusted technology already offered by the VIQUA family of products.

Features of VIQUA UV Water Disinfection Systems

Equipped to inactivate harmful microorganisms in water flows up to 290 GPM (65 m3/hr).

Superior quality 316 stainless steel chamber.

Specially designed and tested Sterilume-HO lamps provide consistent and reliable UV output over the entire life of the lamp (9000 hours) to ensure continuous purification.

Separate control panel with power isolation.

Visual display of lamp life remaining and audible/visual lamp change reminder.

Specialised 254nm UV intensity sensor available (SHFM models) with output to enable solenoid valve or remote alarm.

While other brands may have problems with water leaks, inconsistent UV power and installation issues, you can relax knowing Viqua is a high quality manufacturer that DOES NOT outsource production to China. Viqua is the best brand in the UV water disinfection market.


VIQUA Standard (30 mJ/cm2) 170 GPM (640 lpm) (38 m3/hr)
US Public Health (16 mJ/cm2) 310 GPM (1170 lpm) (70 m3/hr)
NSF/EPA (40 mJ/cm2) 125 GPM (470 lpm) (28 m3/hr)
Chamber 36” x 6" x 14”
Controller 17.5” x 19.5” x 8.2"
Inlet/Outlet Port Size 3” FLANGE
Shipping Weight 96 Lbs
Voltage 100-140 V
Power Consumption 350 W
Maximum Operating Pressure 125 psi
Influent Water Temperature 36-104 °F
Total Lamps 4
Visual "Power On" Yes
Chamber Material 316L Stainless Steel
Visual Lamp Life Remaining Yes
Audible Lamp Failure Yes
Audible Lamp Replacement Reminder Yes
UV Sensor No
Sensor Reading Output (4-20mA) -
Solenoid Valve Output -


install viqua shf model

Commercial UV Systems connect to your main water supply and is best installed by a professional plumber. It is better to have a water by-pass flow with shut-off valves installed to make replacing your yearly UV bulbs that much easier.

Glossary of Terms

review list of other water purification terms...

GPM: Gallons Per Minute

Standard Output: VIQUA’s standard output UV lamp. They generate less heat, but require longer system lengths and exposure time to equal the dose delivered by other lamp types. Ideal for low flow applications. Minimal maintenance costs and heat radiation; full microbiological protection.

High Output: Higher UV power output; ideal for medium to high flow applications.

Amalgam Lamp Technology: For ultimate UV output; typically needed in high flow applications or NSF Class A installations. Due to higher power requirements, it is the preferred lamp technology for light commercial applications or public facilities.

2X Lamp Life: Long life - 2X greater lamp life vs. standard and high output lamps.

2X Output: 2X greater UV-C output vs. standard low pressure lamp technology.

4X Output: 4X greater UV-C output vs. standard low pressure lamp technology.

Constant Current: Ensures stable UV lamp current regardless of power fluctuations.

Safety-Loc: A UV connector design that meets UL979 safety requirements. VIQUA connectors have a built in mechanism that breaks power to the UV lamp and prevents accidental exposure to UV light outside of the chamber.

UV Lamp: The part of the UV system that emits the 254nm germicidal wavelength of UV light. In VIQUA systems, there are 3 types of lamps: Standard Output, High Output and Amalgam.

VIQUA Standard Dose (30mJ/cm2): VIQUA’s uncompromising dose value used to compare all VIQUA systems that do not require NSF Standard 55 Class A certification. Typically used for residential systems. This has been established as an industry standard in the UV water treatment industry.

Connector: The molded connector that the UV lamp plugs into.

Controller: The electronic module that supplies power to the lamp as well as feedback information of the status of the UV system (syn. ballast, power supply)

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