Bulk Reef Supply

Reverse Osmosis Flow Restrictor - Bulk Reef Supply

Grouped product items
Product Name Qty
200 mL Flow Restrictor (Barrel Style) - Aquatec

SKU: 210955

In stock

$7.99

Earn 7 Reward Points

$7.99
- +
300 mL Flow Restrictor (Barrel Style) - Aquatec

SKU: 210956

In stock

$7.99

Earn 7 Reward Points

$7.99
- +
350 mL Flow Restrictor (Barrel Style) - Aquatec

SKU: 210957

In stock

$7.99

Earn 7 Reward Points

$7.99
- +
550 mL Flow Restrictor (Barrel Style)

SKU: 208853

In stock

$8.39

Earn 80 Reward Points Earn 40 Reward Points

$8.39
- +
800 mL Flow Restrictor (Barrel Style)

SKU: 200132

In stock

$7.99

Earn 70 Reward Points Earn 35 Reward Points

$7.99
- +
800 mL Flow Restrictor (Capillary Style) (DISCONTINUED)

SKU: 200022

In stock

$6.79

Earn 60 Reward Points Earn 30 Reward Points

$7.99
- +

Flow restrictors are essential to a properly functioning RO system. Be sure to have the appropriate flow restrictor for the membrane you have. If you decide to change your membrane to a higher or lower GPD membrane, you must also replace the flow restrictor to correspond with the membrane.

All BRS Reverse Osmosis Systems have the appropriate flow restrictor installed.

The 75 and 100GPD flow restrictors are barrel models. The 150GPD is a capillary flow restrictor, which is the stem style that goes inside of your RO units waste water line, and can be trimmed if desired for optimal results.

 

Restrictor Restrictor Style Suggested RO Membrane
200 mL Barrel 20-30 GPD
300 mL Barrel 30-40 GPD
350 mL Barrel 40-55 GPD
550 mL Barrel 55-75 GPD
800 mL Barrel 75-100 GPD
800 mL Capilary 100-150 GPD

 

Flow Restrictor Replacement Instructions

More Information
Product Name Reverse Osmosis Flow Restrictor - Bulk Reef Supply
SKU Reverse Osmosis Flow Restrictor
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Product Questions

Is The 550 restrictor for 75gpd? I have a dual 75gpd membrane system with a 550 restictor. Just wanted to make sure it had the right restrictor. Thanks
Question by: Joey on Jul 19, 2014, 6:09 PM
Hi Joey,
If you have 75gpd membranes then the 550 would be the correct flow restrictor :)
Answer by: Bulk Reef Supply on Jul 19, 2014, 6:09 PM
I bought a used 75gpd unit of yours from a friend. He didn't have the restrictor and I have a spare 100gpd membrane. If I purchase the restrictor for a 100gpd unit can I use my membrane and produce 100gpd?
Question by: Ryan on Jun 17, 2014, 7:25 PM
Hi Ryan,
As long as you change the flow restrictor to the 100gpd to match your 100gpd unit, you can run the 100gpd membrane.
Answer by: Bulk Reef Supply on Jun 17, 2014, 7:25 PM
I've been checking out the you tube videos on how to upgrade r.o. systems.. I recently purchased a 50gpd aquatic life 3 stage system and aquatic life booster pump. If I purchase a 50 gpd membrane and housing and add that to the exsisting kit what restrictor should I purchase.?
Question by: jason on Apr 11, 2016, 12:58 AM
Great question!
If you were to find another 50 GPD membrane you will not need to change the flow restrictor. The same flow restrictor will be used on the single waste water line coming out of the second membrane. Feel free to let us know if you have any further questions!
Answer by: Connor on Apr 14, 2016, 3:29 PM
Where do you install the flow restrictor? Does it go on the incoming water to the membrane or the out going side?
Question by: Thomas on Oct 23, 2013, 6:46 AM
Hey Thomas,
It goes on the waste water line out of the membrane.
Answer by: Bulk Reef Supply on Oct 23, 2013, 6:46 AM
Which line do I connect the flow restrict or to? I bought the R/O unit used, replaced all the filters including the membrane. The unit did not have a restrictor on it...
Question by: Mike on Apr 8, 2014, 4:16 PM
-4
Hi Mike,
The flow restrictor always goes on the waste water line. They come in a few different varieties including some that are on the inside of the tubing. Your unit likely wouldn't have worked without one so pretty good bet its hiding there somewhere.
Answer by: Bulk Reef Supply on Apr 8, 2014, 4:16 PM
i bought your 150 gpd water saver upgrade kit should i change my 75 gal flow restrictor to the 150 flow restrictor
Question by: John on Nov 24, 2013, 4:44 PM
-5
Hi John,
No you should not. You want to keep your existing 75gpd flow restrictor :-)
Answer by: Bulk Reef Supply on Nov 24, 2013, 4:44 PM