Product Description:
The RainFlo 15 GPM Triple rainwater purification package provides all components necessary to disinfect water, meeting or exceeding typical local plumbing codes. After treatment, the water can be used to flush toilets, do laundry, run showers, and even provide drinking water!
Benefits of a RainFlo UV Disinfection System Include:
- 30 mJ/CM2 @ 95% UVT treatment at 15 GPM
- 40 mJ/CM2 @ 95% UVT treatment at 11 GPM
- Exceeds NSF/US EPA standards for potable water within specified conditions
- 15 gallon per minute flow rate
- Disinfect rainwater in real time to bring it up to drinkable standards
- Blue or Clear filter housing
- Water flow from Left to Right (L-R), or Right to Left (R-L)
Additionally, the unit arrives with filter cartridges pre-installed. From input to output, the filter cartridges installed are a
20 micron pleated sediment filter, a
5 micron pleated sediment filter, and a
1 micron activated carbon block filter.
The unit arrives completely assembled ready for installation. Installation is a breeze. Simply mount the unit to the wall and plumb in your water supply line. The standard system is set up to have a water flow from left to right. If your installation requires the opposite direction, simply choose the Right to Left (R-L) option.
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Filter Housing Color |
Water Flow Direction |
Mfr. Part No. |
Blue |
Left to Right (L-R) |
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Blue |
Right to Left (R-L) |
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Clear |
Left to Right (L-R) |
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Clear |
Right to Left (R-L) |
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Package Features the Following Components:

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Three (3) Full Flow 20" x 4.5" Filter Housings with 1" Ports
For post-treatment of rainwater collection systems, the 20" Full Flow filter housings are the preferred choice for most installations. The large housing and cartridge units offer up to 35 GPM of flow at 60 PSI and the maintenance costs for larger cartridges is much lower than replacing smaller cartridges more frequently. |

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Full Flow Triple Filter Housing Mounting Bracket
Heavy-Duty commercial grade mounting bracket made to support (3) 4.5" diameter filter housings. Powder-coated steel. |

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20 Micron Pleated 20" x 4.5" Filter Cartridge
More than 16 square feet of filtration surface area to maximize dirt-holding capacity and extend the time period between changes or cleaning. Can be washed with clean water to increase effectiveness and lifespan. |

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5 Micron Pleated 20" x 4.5" Filter Cartridge
More than 16 square feet of filtration surface area to maximize dirt-holding capacity and extend the time period between changes or cleaning. Can be washed with clean water to increase effectiveness and lifespan.
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1 Micron Carbon Block 20" x 4.5" Filter Cartridge
4.5 x 20" 0.5 micron nominal, 1 micron absolute carbon block filter cartridge for chlorine filtration, as well as improved taste and odor reduction.
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RainFlo RF4-15C 15 GPM UV Disinfection System
World-leading UV technology. Rated for an 15 GPM (57 LPM) flow rate. Highly effective water disinfection unit, designed to ensure quality drinking water is within reach. |
Product Documents: