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- Aquatec Auto Flush Flow Restrictor
Just makes life a litle easier By Brian on 1/28/14Brian would recommend this product to a friendNot much to say, it does what it's supposed to. It came with no instructions on how to install, and as of yet there is no video on how to hook it up (HINT, HINT). There’s not much to installing it but I did make the mistake of thinking that it was to replace my manual back flush valve, not replace the whole back flush assembly entirely. Another words I missed the whole flow restrictor part of the title. After I figured that out I noticed the valve wasn’t opening up for me. Then I realized that I plugged it in before the electronic pressure switch shut off. It needs to be spiced in between the Electronic pressure sensor switch and the booster pump (would have been nice to know). Other than that, it does make a loud hissing noise because of the pressure being squeezed through the restrictor, I welcome it myself so I know when the flusher and RO/DI unit are working and when their not. Just in case I can’t hear the booster pump rattling the stud I have it mounted to through the walls of the house.
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Previously Asked Questions
by Josh on January 13, 2014, @2:57 PM
What is the proper way to use this auto flush restrictor with two 75 gpd membranes (the 150 gpd upgrade)?
Bulk Reef Supply Hi Josh,
This would instal in place of your existing 75gpd flow restrictor on a setup like that. Use and setup would be no different then setting it up with any other RO/DI unit and booster pump combo.
by Art on October 19, 2013, @2:37 PM
Which auto flush should I purchase for a RODI system using the 150 GPD membrane and an 8800 booster pump?
Bulk Reef Supply Hi Art,
For a unit with a 150gpd membrane/flow restrictor you would want the 800mL auto flush.
by Michael on December 10, 2013, @4:47 AM
Would you need to remove the entire membrane flush kit I have installed currently to install this auto flush or would I just leave it and replace the flow restrictor?
Bulk Reef Supply Hey Michael,
Most folks would remove it as its a bit redundant though it technically wouldn't hurt anything to leave it and just leave the valve closed.
An Auto-Flush Flow Restrictor will assist the RO membrane to perform with maximum efficiency for longer time periods. At BRS, we recommend that an RO system be flushed on a regular basis. The use of this auto-flush flow restrictor can reduce the “brine to product” ratio, especially in low “TDS” applications, while maintaining or improving system “TDS” rejection rate and extending membrane sediment and carbon filter life.
Upon system start-up and every hour thereafter, the 24VAC normally closed solenoid valve automatically “power flushes” the membrane at full pump flow, or full line pressure in unboosted systems, for 18 seconds every hour. Turbulent water action scrubs organic and inorganic contaminant’s from the membrane surface, extending membrane life and efficiency.
The “power flush” system only occurs only while the system is in the water making mode. The flush cycle is reset automatically when the RO system repeats the “water making” mode after the “full tank shut-down” mode. Water which has been standing idle in the membrane module for extended period is purged to the drain.
The PFR requires its own transformer or can be powered by the pump transformer.The valve has a built in, self cleaning, flow restrictor which allows controlled flow to drain when the valve is in the de-activated (closed) state.
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