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Proven long term sustainability our Grey Flow Greywater 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 any sinks, showers, bathtubs, and washing machines. 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 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 Drip Line Layout  G-Flow with G-Rotor Configuration 


G Flow                             

 

DIY - Laundry to Landscape 

$700

  • Laundry and Sink
  • New or Existing Home
  • Comes with 100 watt pump
  • Manual Cleaning
  • Mount on Wall or Partially Buried
  • Wet Location Ok
  • Requires a 15 amp plug within 9 ft of Unit

Laundry to Landscape

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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. G-Flow can also be used with a Rotor valve and no drip line for a modified branch drain application. 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 self-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
  • 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
  • For Existing Home
  • Comes with 250 watt pump
  • 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

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Installation Manual

 

    

The Grey-Flow PS Plug & Play family product is a true Greywater diversion system that if 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 directly diverted to your garden with a minimum water storing time. This unique patented design reduces: anaerobic conditions from sludge, health risks, mosquito and bacteria breeding as well as lowering maintenance of the system. 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 (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 also designed to retrofit into almost any house design. Below ground greywater pipe, above ground greywater pipe or at a partially buried level, the GFPS-PP is the option to go with!


  


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
  • For Existing Home
  • Comes with 250 watt pump
  • 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 family product is a true Greywater diversion system that if 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 directly diverted to your garden 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. 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 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 at a partially buried level, the GFPS-PP is the option to go with!


  


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

G Flow PS
Builders Kit

$2,500

  • Whole House System
  • Designed for New Construction on slab/Existing Home
  • Comes with 300 watt pump
  • Auto Self-Cleaning
  • Fully Buried
  • Wet Location Okay
 
Builders Kit

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Installation Manual

The Grey Flow PS-Builders Kit is a "Whole House" greywater 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.


Finishing a Greywater Ready Home

STAGE 2
FINISHING KIT

$1,650.00

STAGE 2 is the FINISHING KIT, this
includes a 300 watt pump, controller, blower, & cabinet.
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

  • Above/Below Ground installation
  • 4" Inlet/Overflow
  • Auto Self-Cleaning
  • Multiple pump options
  • Corrugated PE pit height is adjustable
  • Requires a 120 volt present

Buy Now

Installation Manual

The Grey Flow PRO family product is a true Greywater diversion system designed for Residential and Commercial use. 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.


 


 


G-Rotor FrontG-Rotor Setup Anti-Solenoid
Click to Enlarge: Layout Options

Rotor 2 Station Layout Rotor 3 Station Layout Rotor 4 Station Layout
Rotor 5 Station Layout Rotor 6 Station Layout



GF-Rotor  

2-6 Station Greywater Irrigation Valve

$200.00

Rotor Applications

New Irrigation Systems:

1. Combined with a timer the GF-Rotor waters large areas without the use of expensive controllers, solenoid valves and or below ground wires.
2. Ideal for irrigation systems in areas where power is not available.
3. Ideal where electrical controllers and below ground wires are susceptible to damage from equipment, lightning, flooding etc.

Existing Irrigation Systems:

1. Repair existing irrigation systems where damaged wires and or solenoid valves cannot be found.
2. Extend an existing irrigation system without additional wire and control valves.
3. Improve the performance of an existing system by splitting flows and reducing the operating flow rates.

Greywater, Rain water and Waste water systems:

1. Use the GF-Rotor with filtered Greywater Systems.
2. Use the GF-Rotor with Rain Harvesting Systems.
3. Use the GF-Rotor with Waste water disposal systems.
4. Spread diverted Grey/Waste water into several irrigation zones to water more landscape area and reduce nutrient loading.

Advantages:

  • One valve operates evenly and sequentially 2, 3, 4, 5, or 6 zones changing zones every 13 gallons
  • Hydraulic operation means no external power required
  • Requires 4.75 GPM flow or 2.64 GPM with LOW FLOW FITTING for zones to change.
  • Flow activated means that the unit will operate from a gravity fed tank with less than one meter of head pressure (2.64GPM) with LOW FLOW FITTING
  • Suitable for all types of watering systems (sprinklers, drip, garden taps, grey water systems and waste water systems)
  • Improves performance of a system by splitting the flows and increasing the operating pressures
  • Simple, reliable and easy to operate and install
  • 2 year manufacturer's warranty
  • 3/4 inch female connections
G-Rotor

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Installation Manual


Metzerplas


Greywater Engineered Drip Line

$180.00

  • Reliable and efficient cylindrical self cleaning dripper with turbulent water flow.
  • Double inlet filter designed for clog resistance.
  • Designed for poor quality water and effluent reuse.
  • Drip rate 10 LPH / 2.6 GPH
  • Dripper spacing 12" 
  • Lateral diameter. 1/2"/16 mm
  • 328 ft /100 meter roll

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Grey Flow Drip Line
Maintenance

Greywater creates sludge that clogs all other drip lines and
emitters.

Sludge accumulates at
about 1/16” per year inside
your irrigation lines.

Because of sludge the feeder pipe and drip lines must be set up
so they can be flushed with fresh water ~ No less than once
every 2 years. Sludge should not come in contact with people or pets and may smell, be sure to rinse sludge into mulch immediatly.



Folded Hose Line Folded drip line end ~
unfold to flush line
 


GREYWATER ACCESSORIES


Blu-Lock

Blu-Lock

100ft 1" Mainline 

$53.66

  • The fastest, greenest, irrigation installation method in the world.
  • 1" Reclaimed water Mainline 100 ft roll
  • Working in a sprinkler trench is tough enough - don’t make it harder by using traditional pipe methods that require hot toxic glue, clamps, or frustrating barbed fittings. 
  • Patented Push and Go Design, Outside diameter Technology increasing flow in upwards of 25%, heavy, UV Resistant ABS construction with Stainless Steel Seals; ensures performance and reliability.

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Cap

Cap

 1" Cap - $1.69 ea

Tee

 
Tee

1" x 1" x 1/2" Reducing tee (adapts main line to drip line) $3.17 ea

Coupling

Coupling

 1" Coupling - $2.43 ea


Elbow

Elbow

1" Elbow - $2.75 ea

MPT Adapter

MPT Adapter

1" MPT Adapter - $1.74 ea

Tee

Tee

1" x 1" x 1" Tee - $3.70 ea


 


 


GREYWATER PUMPS

100 Watt Pump

100 Watt Pump - $420

• Grey Flow 100 watt pump is engineered specifically for greywater.
• 115V
• 1/6 Horse Power
• Max Head 19.5 ft - 9 PSI
• Max Flow 18.5 GPM
• 1 inch discharge

300 Watt Pump

300 Watt Pump - $600

• Grey Flow 300 watt pump is engineered specifically for greywater.
• 115V
• 1/3 Horse Power
• Max Head 26 ft - 13 PSI
• Max Flow 47.5 GPM
• 1 1/2 inch discharge

400 Watt Pump

400 Watt Pump - $840

• Grey Flow 400 watt pump is engineered specifically for greywater.
• 115V
• 1/2 Horse Power
• Max Head 65.5 ft - 30 PSI
• Max Flow 47.5 GPM
• 1 1/4 inch discharge


Pro Lid-Riser

Grey Flow Round Cover for GFPS Builders Kit - $250

Bolt down sealed lid for GFPS Builders Kit

Inside Dimensions - 23.5"

Outside Dimensions - 28"

Height - 12"

 

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Lid & Riser for the Grey Flow PS-Builders Kit

24" Lid & Riser for the Grey Flow PS-Builders Kit - $250

Designed with exceptional industry standards for durability and longevity, the HDPE riser material features non-corrosive materials. That ensures that the riser and lid is protected with the guarantee of trouble-free service for a lifetime. In addition, it features a unique interlocking design that eliminates the need for any sealants while still maintaining a tight seal. That means there's no need to fear future repairs or replacement due to deteriorating sealants.

 

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Grey Flow 3-Way

Grey Flow 3-Way PVC Diverter Valve 1.5"- 2"

  • Used for diverting, shut-off or mixing applications
  • Accepts 1.5", 2", and 2.5" PVC plumbing
  • Plumbed with inlet at any port
  • Designed to work with most industry standard

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3 Way PVC Diverter Valve

3-Way PVC Diverter Valve 2"- 2.5"

  • All valves available in CPVC or PVC
  • Maintenance-free Teflon coated diverter seal
  • Optimum positive-seal
  • High Flow Rate
  • Fiberglass reinforced handle
  • Withstands pressure up to 150 psi
  • Chemical-resistant
  • Used for diverting, shut-off or mixing applications
  • Accepts 1.5", 2", and 2.5" PVC plumbing
  • Field-adjustable stop positions
  • Plumbed with inlet at any port
  • Designed to work with most industry standard actuators

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Hunter Check Valve

1/2" Hunter Check Valve Adjustable - $7

Spring Loaded Check Valve

1" Spring Loaded Check Valve - $25


Reflux Valve

4" Backwater Reflux Valve - $60

Place between the greywater system and the sewer pipe. Protects the system against sewer back up.The quick-action flapper allows unrestricted unidirectional flow and features an elastomeric gasket to ensure a watertight seal. ABS is chemically resistant Use to protect basements or low areas from street sewer backflow Outdoor use H x H connection 5 psi maximum working pressure.

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