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Proven long term sustainability our Grey Flow greywater drip irrigation systems are nothing new. Grey Flow Systems were developed over 12 years ago in Australia to help combat their ongoing drought, today they are being used all over the world in the driest climates. They dominate the market world wide because they have the simplest, most sanitary, lowest maintenance, self cleaning system on the market. Grey Flow Systems do not store greywater in a tank, the greywater is diverted directly to your plants.

WaterMark

 Grey Flow are the only systems to use pre-pump filtration and air backwash, this is the key to long pump life and a true self cleaning filter system. Our Grey Flow pumps are designed and engineered by Grey Flow specifically for dirty greywater. Grey Hub Irrigation has retrofit and new construction systems large and small. Here at Grey Hub Irrigation we believe in selling what has already proved it's self over time through years of use. We are happy to offer our clients the proven best greywater irrigation system on the market today. 


Greywater Info

Greywater is produced from showers, bathtubs,  washing machines and wash sinks (no kitchen sink). Typically over 50% of household water use can be reused for irrigation on your property. Toilets are black water and cannot be used for irrigation through our system. Greywater cannot be stored for more than 24 hours, the bacteria in it use up all of the oxygen and the greywater becomes septic (blackwater). Greywater that comes in contact with soiled diapers is blackwater. Water contaminated with oil or chemicals should not be reused as greywater. Every greywater system must have a diverter valve to send greywater back to the sewer when not in use or contaminated with feces, oil, or non compatible cleaning products. Non-Biodegradable detergents or cleaners containing softeners, bleaches, chlorine, sodium, boron, borax, petroleum distillers, and peroxygen should be sent back to the sewer via the diverter valve.

Purchase Greywater Systems

Figuring Greywater

1 person produces:

  • 40 gallons a day
  • 280 gallons a week
  • 1,217 gallons a month
  • 14,600 gallons a year

Plumbing Requirements

  • Greywater plumbed from the laundry, tub, shower and wash sink to the system.
  • System overflow plumbed to sewer. 

Irrigation Requirements

  • 1 Inch Blu-Lock, LDPE,HDPE or PVC Mainline with 328ft (1 roll) of our Greywater Engineered Dripline Per Zone. Zones can be created with a PVC Manifold or our G-Rotor. The G-Rotor will accommodate 2 to 6 Zones, Changing Zones Every 13 gallons automatically. 

DIY
LAUNDRY TO LANDSCAPE


 Click to Enlarge:
G-Flow Step 1   G-Flow Step 2   G-Flow Drip Main Line
G-Flow Drip Line Layout  G-Flow with G-Rotor Configuration Sizing Chart

G Flow
DIY - Laundry to Landscape 

$700

  • Laundry and Sink
  • New or Existing Home
  • Comes with 1, surge tank
  • Comes with 1, sludge trap (holds the filters and traps the sludge when removing the filters)
  • Comes with 4, progressive verticle filters
  • Comes with 1, 2" 3 way valve for diverting greywater to the sewer. (Mandatory per plumbing code)
  • Comes with 1,100 watt pump
  • Comes with 2, wall mounting brackets
  • Comes with 1, "Greywater in use" warning sign (mandatory per plumbing code)
  • Manual Cleaning
  • Mount on Wall or Partially Buried
  • Wet Location Ok
  • Requires a 15 amp plug within 9 ft of Unit
  • California and UPC code compliant

Laundry to Landscape

Buy Now

Installation Manual

 The G-Flow greywater system reuses your laundry, tub, shower, and wash sink water for landscape irrigation. The G-Flow lightly filters the water for reuse through our Grey Flow greywater drip line giving you a highly effecient greywater recycling drip irrigation system capable of watering large landscapes. The G-Flow is the most versatile Laundry to Landscape system around. The G-Flow can be mounted on the wall, on the ground, partially buried, or fully buried. Fully bury in a vault where system will not be flooded. G-Flow can be a pumped system, gravity flow system or both at the same time. There are 3 outlets on the G-Flow that can be utilized in any configuration, and 4 inlet and overflow outlets for installation options. G-Flow can be used with our drip line alone, or a drip line Rotor valve combo for multiple irrigation zones. Connect a Rain Barrel or Tank to Your G-Flow and maximize Your water recycling capabilities. We sell the G-Flow as a Laundry to Landscape system, but it can handle a 3 bedroom as a whole house system. If used as a whole house system cleaning frequency will increase.

Advantages:

  • Easy to Install, Plumb, Plug & Play fully integrated unit
  • Easy DIY installation into both new & existing homes, no expensive plumbing required
  • Automatic activation with clog resistant float switch
  • Robust thermal protected vortex pump
  • Simple, robust, and reliable design with no controller
  • Innovative self-drain and auto de-sludge mechanism
  • Diverts Grey Water from one 50mm (2") connection
  • Comes with a 3 way manual valve for gravity diversion to sewer when not in use
  • Easy, hygienic, and low maintenance every (3-6 months)
  • Easy to pull-out sludge trap basket
  • Extra large 4 layers graded vertical filter
  • Watermark certified
  • 2 Years warranty 

With the cost of water constantly rising and water restrictions in place in many parts of the world, it make sense not to throw out the water that has been paid for and to reuse it to irrigate the household garden and trees. Today the G-Flow greywater system is widely used to filter and pump laundry, shower and basin water into irrigation systems for gardens. The greywater system was originally designed for this specific application and carries the appropriate health and plumbing standards and certifications in countries such as USA, Canada, Australia, New Zealand & South Africa. Over 10,000 G-Flow Greywater systems have been sold worldwide with remarkable outcome for plants and landscape, as well as great water saving results (as much as 60,000 Gallons per household per year). In addition this greywater system has won several water saving awards in shows worldwide.


WHOLE HOUSE GREYWATER RECYCLING DRIP IRRIGATION SYSTEMS


 

 

Click to Enlarge:
Grey Hub GFPS-PPS:PPL Drip Line Layout   Grey Flow PS-PPS:PPL W: G-Rotor Configuration  Sizing Chart

 

G Flow PS
PPL (Plug & Play Long)

$2,400

  • Whole House System
  • Comes with 1, controller (controls irrigation and cleaning cycles)
  • Comes with 1, 250 watt pump (for irrigation)
  • Comes with 1, blower (for auto self cleaning air backwash)
  • Comes with 2, sets of filters (3 progressive filters per set)
  • Comes with 1, greywater intercepter (4" pipe with 2, 6" filter sets)
  • Comes with 1, poly enclosure with locking lid (for protection from the elements)
  • Comes with 2, 4" no hub rubber couplers for connecting plumbing
  • Comes with 1, "Greywater in use" warning sign (mandatory per plumbing code)
  • California and UPC code compliant
  • For existing home or new construction
  • Auto Self-Cleaning
  • Locate under the house build-up, in a basement, or outside, system can be wet not flooded.
  • Partially buried for a greywater pipe depth of 11 3/4 Inches or Less
  • Requires a 15 amp plug at location of unit
 
Plug & Play

Buy Now

Installation Manual

The Grey-Flow PS Plug & Play (GFPS-PP) is a true turn key plug and play greywater drip irrigation system, that is fully automated, easy to install, and can be retrofitted to existing homes or installed on new homes. While showering or washing clothes, the greywater is lightly filtered and directly diverted to your garden through our specially designed drip line with a minimum water storage time. This unique patented design reduces: anaerobic conditions from sludge, health risks, mosquito and bacteria breeding as well as lowering maintenance of the system. Because of the self cleaning air backwash this greywater system is voted to be the most maintenance free system on the market!
 

Advantages:

  • Fail safe automatic diversion to sewer when system is off and during power outages
  • More hygienic system favored by health regulators
  • Can be connected to a soil moisture sensor or rain switch to prevent water runoff
  • Can be switched off via a timer or a remote control switch for diversion to sewer of unwanted water
  • 4" inlet and outlet for "Whole House" and Commercial applications
  • Can spread the Greywater over a large garden area (see garden sizing chart
  • Combined with the 6 station GF-Rotor and the Grey Flow Drip-Line the system can cover a garden area as large as 5167 square feet)
  • State of the art Self-Cleaning Mechanism
  • Auto de-sludge configuration
  • Extra low maintenance (2 year filter clean)
  • For above ground or partially buried applications

The Grey Flow PS Plug & Play comes with automatic backflush filtration. With the automatic backflush option you only need to clean your filters once every 2 years, which eases the job of maintenance. The GFPS-PP is designed to retrofit into almost any house design, below ground greywater pipe, above ground greywater pipe or a partially buried pipe. 


  


PPS (Plug & Play Short)

Click to Enlarge:
Grey Hub GFPS-PPS:PPL Drip Line Layout   Grey Flow PS-PPS:PPL W: G-Rotor Configuration  Sizing Chart

PPS (Plug & Play Short)

$2,200

  • Whole House System
  • Comes with 1, controller (controls irrigation and cleaning cycles).
  • Comes with 1, 250 watt pump (for irrigation).
  • Comes with 1, blower (for auto self cleaning air backwash).
  • Comes with 2, sets of filters (3, progressive filters per set).
  • Comes with 1, greywater intercepter (4" pipe with 2, 6" filter sets).
  • Comes with 1, poly enclosure with locking lid (for protection from the elements).
  • Comes with 2, 4" no hub rubber couplings for connecting plumbing.
  • Comes with 1, "Greywater in use" warning sign (mandatory per plumbing code)
  • California and UPC code compliant
  • For existing home or new construction
  • Auto Self-Cleaning
  • Locate under the house build-up, in a basement, or outside, system can be wet not flooded.
  • Partially buried for a greywater pipe depth of 2 Inches or Less
  • Requires a 15 amp plug at Location of Unit
 

Buy Now

Installation Manual

    

   

   

        

The Grey-Flow PS Plug & Play (GFPS-PP) is a true turn key plug and play greywater drip irrigation system that is fully automated, easy to install and can be retrofitted to existing homes or installed on new homes. While showering or washing clothes, the greywater is lightly filtered and directly diverted to your garden through our specially designed drip line with a minimum water storing time. This unique patented design reduces: anaerobic conditions from sludge, health risks, mosquito and bacteria breeding as well as maintenance of the system. Because of the self cleaning air backwash this greywater system is voted to be the most maintenance free system in the market! 

Advantages:

  • Fail safe automatic diversion to sewer when system is off and during power outages
  • More hygienic system favored by health regulators
  • Can be connected to a soil moisture sensor or rain switch to prevent water runoff
  • Can be switched off via a timer or a remote control switch for diversion to sewer of unwanted water
  • 4" inlet and outlet for "Whole House" and Commercial applications
  • Can spread the Greywater over a large garden area
  • Combined with the 6 stations GF-Rotor and the Grey Flow Drip-Tube the system can cover a garden area as large as 5167 square feet)
  • State of the art Self-Cleaning Mechanism
  • Auto de-sludge configuration
  • Extra low maintenance (2 year filter clean)
  • For above ground or partially buried applications

The Grey Flow PS Plug & Play comes with automatic backflush filtration. With the automatic backflush option you only need to clean your filters once every 2  years, which eases the job of maintenance. The GFPS-PP is also designed to retrofit into almost any house design, below ground greywater pipe, above ground greywater pipe or a partially buried pipe.


  


Click to Enlarge:
Grey Flow PS Builders Kit Dripline Layout  Sizing Chart

G Flow PS
GFPS-2 Stage Builders Kit

Stage 1 and Stage 2 combined $2,500

  • Whole House System.
  • Comes with 1, 5' tall intercepter (4" pipe with 1, set of 3, 10" progressive filters)
  • Comes with 2, 4" no hub rubber couplings for connecting to homes plumbing.
  • Comes with 1, wall mount cabinet (protects controller, and blower from elements).
  • Comes with 1, controller (controls irrigation and cleaning cycles).
  • Comes with 1, blower (for auto self cleaning air backwash).
  • Comes with 1, 300 watt pump (for irrigation).
  • Comes with 1, "Greywater in use" warning sign (mandatory per plumbing code)
  • California and UPC code compliant
  • Designed for New Construction on slab/Existing Home
  • Auto Self-Cleaning
  • Fully Buried
  • Wet Location Okay
 
Builders Kit

Buy Now

Installation Manual

The Grey Flow PS-Builders Kit is a "Whole House" greywater drip irrigation system that is installed below ground. Is it installed within the house plumbing at pre-lay stage up to 9 feet deep and is ideal for tight and narrow sites. This greywater system can fit any house conditions and sizes. Grey Flow PS greywater recycling system is known for its robust design and will ensure you a trouble free greywater system.

  • Compact system ideal for tight and narrow sites
  • Small footprint that would fit almost any site conditions
  • Easy to install with reduced excavations requirements
  • 4” Inlet and outlet for "Whole House" and Commercial applications
  • Can spread the Greywater over a large garden area
  • Combined with the 6 stations GF-Rotor and the Grey Flow Drip-Tube the system can cover a garden area as large as 5,166 square feet.


New Construction Greywater Ready Home

GETTING THE HOUSE GREY FLOW READY BY PLUMBING CONTRACTOR AT PRE-LAY STAGE

Stage 1 Builders Kit
  1. Dual Plumbing
    (Separate grey & black water pipe)
  2. Install the Grey Flow STAGE 1- PS
    Builders Kit
  3. Install an approved backwater valve
  4. Connect overflow back to black water pipe

STAGE 1
BUILDERS KIT

$850.00
The GREY FLOW PS SYSTEM is the only greywater system on the market specifically designed for new construction at the building stage. By installing our STAGE 1 BUILDERS KIT you now have a (GREYWATER IRRIGATION READY HOME). STAGE 1 is installed by the plumber at the pre-lay stage. STAGE 1 can accommodate a greywater pipe depth of 9ft deep & is ideal for tight narrow job sites. STAGE 1 comes 5ft tall because not all homes greywater pipe is at the same depth. The extra pipe that sticks up out of the ground is cut off to the elevation of your choice. This way you are never trying to make your flat work or finished elevations work to the system, instead the system adjusts to you.

Stage 1 includes:

  • 1, 5' tall intercepter (4" pipe with 1, set of 3, 10" progressive filters).
  • 2, 4" no hub rubber couplings for connecting to the homes plumbing.

Finishing a Greywater Ready Home

STAGE 2
FINISHING KIT

$1,650.00

STAGE 2 is the FINISHING KIT

Stage 2, includes :

  • 1, wall mount cabinet (protects the controller and blower from the elements).
  • 1, controller (controls irrigation and cleaning cycles).
  • 1, blower (for auto self cleaning air backwash).
  • 1, 300 watt pump (for irrigation).
  • 1, "Greywater in use" warning sign (mandatory per plumbing code).  
  • STAGE 2 can be installed at any time in the future
    when greywater for irrigation is desired.




INSTALLING THE FINISHING KIT &
IRRIGATION


1. Dedicated outdoor power
2. Install Grey Flow Pump
3. Install cabinet with blower &
controller
4. Install Grey Flow Irrigation


  


GF Pro

Click to Enlarge:
Grey Flow PRO Drip Line Layout   Grey Flow PRO W G Rotor Configuration  Sizing Chart


GF Pro

$3,200

  • Whole House System
  • Comes with 1, controller (controls irrigation and cleaning cycles).
  • Comes with 1, blower (for auto self cleaning air backwash).
  • Comes with 1 300 watt pump (for irrigation).
  • Comes with 1, intercepter (4" pipe with 1, set of 3, 10" progressive filters).
  • Comes with 1 50" tall 24" diameter ID HDPE corrugated exterior.
  • Comes with 1, 24" ID locking cover.
  • Comes with 1, "greywater in use" warning sign (mandatory per plumbing code)
  • Above/Below Ground installation
  • 4" Inlet/Overflow
  • Auto Self-Cleaning
  • Multiple pump options
  • Corrugated pit height is adjustable
  • Requires a 120 volt plug 
  • California and UPC code compliant

Buy Now

Installation Manual

The Grey Flow PRO is a true turn key plug and play greywater drip irrigation system designed for Residential and Commercial use. The Pro system lightly filters your tub, shower, laundry and wash sink water for reuse through our special drip line to irrigate your landscape. The Pro comes with a 25 gallon surge capacity, 3-10 inch progressive filters, and a 2' round locking cover. Pro system irrigates on 25 gallon cycles, backwashes every 10 cycles, and automatically pumps out every 24 hours to prevent standing greywater from becoming blackwater. The Pro is completely California Code compliant.