27-36 GPM F4 Plus - Light Commercial UV System by Viqua

Calculated at Checkout

Product Overview

With its UV technology, it destroys infectious organisms thereby making the water safe to drink. A perfect combination of meaningful innovation, useful features and long lasting value.

  • Adds state of the art UV sensor technology to the F4 UV system
  • Continuous feedback of UV disinfection performance for added peace of mind at recommended flow rates up to 36 gpm (136 lpm)

Note: The F4+ replaces the UV Max G+ system.

Spec Sheet

User Manual

Features & Specs

  16mJ/cm2 45 GPM (170 lpm) (10 m3/hr)
  30mJ/cm2 36 GPM (136 lpm) (8 m3/hr)
  40mJ/cm2 27 GPM (102 lpm) (6 m3/hr)
  Dimensions 44 1/4″ x 4″ (112.5 cm x 10 cm)
  Shipping Weight lbs (kg) 18 lbs (8.2kg)
  Connection Size 1"
  Power Consumption 130W

The 650687 F4+ Viqua Professional Plus UltraViolet Disinfection System operates using both low-pressure as well as a high-output UV lamp. Reduces many of the most common waterborne pathogens such as protozoan cysts, bacteria, and viruses, helping to keep your water cleaner. Ultraviolet sterilization works by exposing your water to UV light waves, the UV light waves then deactivate the DNA of microorganisms. Once microorganisms are deactivated, they can no longer reproduce in your drinking water. Make an investment in cleaner, fresher tasting water by ordering today; order today.

  • Low-pressure, high-output lamp
  • Ultraviolet light combats waterborne pathogens
  • Safety cap and lamp plug prevents unsafe access to the UV lamp
  • Genuine OEM Product


Manufacturer's Id 650687
UPC 773058506878
Actual Size (in) 44-1/4-inches (length) x 4-inches (width)
Actual Size (cm) 112.5 x 10
Filter Life (months) 12 months
Operating Pressure (psi) 4 - 125
Flow Rate (gpm) 36
Fitting Type FNPT
Fitting Size (inches) 1 inch
Color / Finish Stainless Steel Finish
Warranty Guarantee 10 year limited warranty for UV Chamber
Includes System, Lamp, Quartz Sleeve, Controller, Sensor


Reduces the following contaminants:

The VIQUA-F4+ is comparable with the following part numbers

Trojan UV Max