Valves, Regulators, & Manifolds

National Hydro Group is your online source for Valves, Regulators, & Manifolds. If you cant find the Valves, Regulators, & Manifolds that meet your needs please give us a ring or send a quick email so we can help you find exactly what you're looking for.
1/2" On/Off Valve-NWGSupply.com
Save 37%
$2.49
$1.58

1/2" On/Off Valve

Grow1

Easily stop and start water flow using these durable valves. Fits 1/2" inner diameter hosing.

$2.49
$1.58
Save 37%
Hydro-Logic Float Valve with 1/4" Quick Connect-NWGSupply.com
Save 13%
$19.00
$16.50

Hydro-Logic Float Valve with 1/4" Quick Connect

HydroLogic

This Hydro-Logic Float Valve features a quick-connect fitting which allows it to connect to Stealth, Small Boy, or any water filtration system usin...

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$19.00
$16.50
Save 13%
1/2" Flow Valve-NWGSupply.com
Save 19%
$5.49
$4.46

1/2" Flow Valve

Grow1

Regulate water flow with 6 different settings using these high quality Flow Valves. Fits 1/2" inner diameter hosing.

$5.49
$4.46
Save 19%
Hydro Flow Premium Ball Valve 3/4 in Barb (10/Bag)-NWGSupply.com
Save 12%
$4.18
$3.68

Hydro Flow Premium Ball Valve 3/4 in Barb (10/Bag)

Hydro Flow

Our complete line of fittings is known for its superior performance and reliability. These non-corrosive plastic fittings are guaranteed to provide...

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$4.18
$3.68
Save 12%
WaterGATE Electronic Solenoid Valve-NWGSupply.com
Save 19%
$98.99
$80.18

WaterGATE Electronic Solenoid Valve

Hydro Innovations

This optional valve (used in place of a pump) is designed to be installed in a pressurized water line and to be controlled by your co2 monitor. Thi...

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$98.99
$80.18
Save 19%
Float Valve w/ 3/8'' Quick Connect Fitting-NWGSupply.com
Save 21%
$16.95
$13.43

Float Valve w/ 3/8'' Quick Connect Fitting

Grow1

Grow1 float valve will allow you to control the water level of your tank or reservoir with no maintenance. They can be mounted vertically or horizo...

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$16.95
$13.43
Save 21%
Hydro Flow Premium Barbed Ball Valve 1/2 in - Display Box (50/Box)-NWGSupply.com
$69.00

Hydro Flow Premium Barbed Ball Valve 1/2 in - Display Box (50/Box)

Hydro Flow

Our complete line of fittings is known for its superior performance and reliability. These non-corrosive plastic fittings are guaranteed to provide...

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$69.00
Float Valve, 1/2" Barb, Adjustable Water Level-NWGSupply.com
Save 13%
$19.00
$16.50

Float Valve, 1/2" Barb, Adjustable Water Level

Hydro-Logic

1/2" barbed connection. Adjustable water level and can be mounted horizontally or vertically.

$19.00
$16.50
Save 13%
Active Aqua Float Valve w/ Wing Nut-NWGSupply.com
Save 10%
$16.95
$15.26

Active Aqua Float Valve w/ Wing Nut

Active Aqua

These Active Aqua float valves are made with NSF-approved PVCD and 18-8 stainless steel hardware. They are recommended for use with a hydraulic au...

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$16.95
$15.26
Save 10%
3/4" On/Off Valve-NWGSupply.com
Save 35%
$2.79
$1.82

3/4" On/Off Valve

Grow1

Easily stop and start water flow using these durable valves. Fits 3/4" inner diameter hosing.

$2.79
$1.82
Save 35%
Float Valve w/ 1/2'' Barbed Fitting-NWGSupply.com
Save 21%
$16.95
$13.43

Float Valve w/ 1/2'' Barbed Fitting

Grow1

Grow1 float valve will allow you to control the water level of your tank or reservoir with no maintenance. They can be mounted vertically or horizo...

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$16.95
$13.43
Save 21%
3/4'' Fill/Drain Fitting (10pcs/pck)-NWGSupply.com
Save 14%
$20.00
$17.25

3/4'' Fill/Drain Fitting (10pcs/pck)

Grow1

Made from super durable, high quality plastic that’s heavier and thicker than the competition’s, these threaded Ebb & Flow fittings are the sup...

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$20.00
$17.25
Save 14%
FloraFlex Flora Valve-NWGSupply.com
Save 12%
$8.99
$7.88

FloraFlex Flora Valve

FloraFlex

Shut off valve that also allows you to control the pressure of water and nutrients being delivered through the manifold to your plants. Easily snap...

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$8.99
$7.88
Save 12%
Hydro Flow Octa-Bubbler 10 GPH Per Outlet - Red High Flow Bubbler (10/Bag)-NWGSupply.com
$111.51

Hydro Flow Octa-Bubbler 10 GPH Per Outlet - Red High Flow Bubbler (10/Bag)

Hydro Flow

Octa-Bubbler is a pressure compensating device with a 1/2 inch FPT inlet and 8 swivel port 3/16 inch outlets. Constructed using ABS plastic. Built ...

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$111.51
Compression Shut-Off, 1/2"-NWGSupply.com
Save 20%
$5.26
$4.21

Compression Shut-Off, 1/2"

RainDrip

The 1/2" Compression Valve is for use with 1/2" hose only. Compression inlet/outlet shut-off for 1/2" hose. For water pressure up to 60 PSI.

$5.26
$4.21
Save 20%
Float Valve w/ 1/2" Barb Fitting-NWGSupply.com
Save 17%
$26.50
$21.98

Float Valve w/ 1/2" Barb Fitting

General Hydroponics

This Float Valve makes sure that reservoir water is always on the level. Valve and attached ½” barbed fitting feature durable construction from Gen...

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$26.50
$21.98
Save 17%
Male x Male Adapter For Supply Diverter Valve For Fauce-NWGSupply.com
Save 59%
$7.89
$3.20

Male x Male Adapter For Supply Diverter Valve For Fauce

Hydro-Logic

Allows ¼" and 3/8" faucet diverters to connect to faucets with 15/16" - 27 female threads. Male 13/16" - 27 thread x Male 15/16" - 27 thread.

$7.89
$3.20
Save 59%
6 Outlet Adjustable Manifold-NWGSupply.com
Save 39%
$10.89
$6.67

6 Outlet Adjustable Manifold

RainDrip

Converts 1/2" sprinkler riser to six adjustable pressure compensating outlets. Each outlet is adjustable from 0-20 GPH, maintaining a constant flow...

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$10.89
$6.67
Save 39%
PLANT!T Big Float Auto Top-Up Kit-NWGSupply.com
Save 16%
$24.95
$20.93
Save 16%
American Hydroponics Float Valve-NWGSupply.com
Save 7%
$14.95
$13.88

American Hydroponics Float Valve

American Hydroponics

Parts to set up a 6-site drip system. Includes: 1 - 6 outlet adjustable manifold 1 - 1/2" barb - threaded adaptor 3' - 1/2" tubing 25' - 1/4" dri...

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$14.95
$13.88
Save 7%
3/8" QC x 3/8" x 3/8" Comp Thread Feed ValveTee-NWGSupply.com
Save 11%
$9.00
$8.00

3/8" QC x 3/8" x 3/8" Comp Thread Feed ValveTee

HydroLogic

Use the Hydrologic reverse osmosis water filter Hydrologic Reverse Osmosis Water Filter 1/4" QC x 3/8" comp. thread tee feed valve to customize you...

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$9.00
$8.00
Save 11%
Raindrip 6-Outlet Adjustable Manifold-NWGSupply.com
Save 20%
$8.35
$6.67

Raindrip 6-Outlet Adjustable Manifold

RainDrip

Converts 1/2" sprinkler riser to six adjustable pressure compensating outlets. Each outlet is adjustable from 0-20 GPH, maintaining a constant flow...

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$8.35
$6.67
Save 20%
FloraFlex 3/4'' Nylon Valve-NWGSupply.com
Save 18%
$36.99
$30.21

FloraFlex 3/4'' Nylon Valve

FloraFlex

3/4" NYLON VALVE Allows you to break sections of your garden into zones to maintain optimum and consistent feed. Heavy duty Nylon Valve easily come...

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$36.99
$30.21
Save 18%
FloraFlex 1'' Nylon Valve-NWGSupply.com
Save 18%
$36.99
$30.21

FloraFlex 1'' Nylon Valve

FloraFlex

1" NYLON VALVE Allows you to break sections of your garden into zones to maintain optimum and consistent feed. Heavy duty Nylon Valve easily comes ...

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$36.99
$30.21
Save 18%