Grundfos SBA 3-45-AW Submersible Pump

Grundfos SBA-3-45-AW Automatic Pump with Floating Extractor

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GRSBA-3-45-AW
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  • Product Description

    NOTE TO CUSTOMERS: We are not selling Grundfos SBA pumps at this time.

    Unfortunately we've recently been experiencing a high rate of failure with Grundfos SBA pumps.  Grundfos has not been available to us or our customers for technical support.  They have not informed us of the cause of the failures, or whether they've addressed the problems.  For these reasons, we are currently discontinuing their sale.  We hold our products to the highest possible standard, because you deserve water harvesting systems that are safe and reliable.  Should we feel confident in the future that Grundfos has addressed the problem(s) causing these pumps to fail, we will stock them again.

    We have a field-tested, cost-effective and reliable alternative to offer our customers.  The 3/4HP Strom BSP Automatic Pump with the Strom Floating Intake Filter work virtually the same way as the Grundfos SBA.

    Feel free to reach out with questions or concerns and we'll do our best to assist you in designing and installing safe, reliable, affordable water systems.  We appreciate your understanding and support!

     

  • Product Reviews

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    1. Great Pump

      I installed this pump in a 1,000 gallon rain harvesting tank used to water our garden. It is a great pump. Easy to install and I was very surprised at the pressure it has. I would highly recommend. on 27th Aug 2018

    2. Grundfos SBA-3-45-AW Automatic Pump with Floating Extractor

      Received pump promptly from RainBrothers. Set it up with 6 feet of flexable1-inch high pressure braided PVC Tubing. The setup pictures that came with the pump were helpful along with the rain cistern diagram that Jonathan from Rain Brothers emailed me. After all the plumbing connections were made, I lowered the pump into my cistern with a rope. Tention on the rope holds the pump upright to keep it from falling over in the cistern. I plugged the pump electric cord into an outlet and it pumped to fill the line and then shut off. The Grundfos automatically turns on when the water valve is open and shuts off when it is closed. The pump works perfectly and I could not be happier with this purchase. on 16th May 2018

    3. Incredible pump!

      When I got everything hoked up, the only failures were my connections, not the pump. (Shark Bites aren't supposed to fail, right?) It has provided constant water with great pressure, silently, since I installed it. And it was turn-key. I didn't need to set up a pump and a bladder tank. It is all in one housing, in a submersible unit!

      Sincerely, this pump was an answer to a prayer.

      And many thanks to Johnathan at Rain Brothers who answered all of my dumb questions as if they were well though out and well reasoned.
      on 1st May 2018

    4. Great Pump

      This pump is excellent. It worked from the first time it plugged in. It is quiet. The cistern it is in is slightly uphill of the discharge, so it has a lot of pressure and volume. It is more than enough for a family of 6 with 3 bathrooms. I plumbed it into 1" PVC Sch. 40. It does need tied up, i had to put in a threaded eye bolt and hang it 1/2" off the bottom as it can tip over. I used 1" fiber reinforced vinyl hose to go from the pump discharge to a bulkhead fitting. on 9th Apr 2018

    5. great plug and play pump, but it floats

      I installed this pump inside a 1,000 gal above-ground metal rain cistern, and it works beautifully. So nice to spend a day cleaning out a cistern, installing a system of electrical supply, and plumbing a pump to the outlet, to find it all works on the first try. Yay! And it really creates great water pressure. I have it linked to a 1” outlet, and when I tested water pressure with a hose, it shot out 15’ easily with no nozzle.

      My only complaint/concern is that it tipped over and floated as soon as it turned on. We end up tying a line from the top handle of the pump to the top of the cistern to keep it upright. I wish I could attach it to a weighted donut at the bottom. It didn’t seem smart to let it roll and float around.
      on 5th Mar 2018

    6. Excellent product

      I can't say enough about this pump. I plumbed it into my water system, plugged into 110VAC and it works as advertised - great. No more pressure tank, no more pressure switch and no more clogged filters with the floating suction. Fantastic product
      on 7th Nov 2017

    7. Excellent product

      I can't say enough about this pump. I plumbed it into my water system, plugged into 110VAC and it works as advertised - great. No more pressure tank, no more pressure switch and no more clogged filters with the floating suction. Fantastic product
      on 7th Nov 2017

  • Product Videos

    • Easy Cistern Pump Installation for Rain Harvesting Tanks
      7/26/19 UPDATE: We have recently discontinued the sale of Grun...

    Easy Cistern Pump Installation for Rain Harvesting Tanks

    7/26/19 UPDATE: We have recently discontinued the sale of Grundfos SBA pumps as the failure rate approached 20% after two years of use. While Grundfos has done a great job in honoring warranties, they have kept us completely in the dark as to what has caused the failures, as well as what they are doing/have done (if anything) to remedy the issue and insure it doesn't happen on future models. We always strive to offer only the highest quality products, and when products fail to meet our standards, we cut them. THE GOOD NEWS is that we've tested the Strom BSP (bottom suction pump), which is also an automatic cistern pump that does not require an external pressure switch to operate (i.e., it is a plug-and-play like the Grundfos SBA). Not only have the Strom BSPs proven to hold up, but the manufacturer has always been proactive about communicating with us and has kept us up-to-date on their technology and developments. We highly recommend going with the Strom BSP if you're looking for an automatic cistern pump. We produced a short video on the pump here: https://youtu.be/fmpuo1nPJm0, and the pump is available for purchase here: https://store.rainbrothers.com/strom-automatic-cistern-pump-alternative-to-grundfos-sba/ In this video, we detail how to install our new plug-and-play Grundfos cistern pump. This pump, unlike traditional pumps, does not require a pressure tank, tank tee kit, or pressure switch to operate -- it just sets into your tank, plugs into a dedicated 115V circuit, attaches to your pump supply plumbing, and is ready to use. For more information, please visit our website at http://www.rainbrothers.com or http://store.rainbrothers.com Grundfos SBA 3-45-AW Pump: http://store.rainbrothers.com/grundfos-sba-3-45-aw-automatic-pump-with-floating-extractor/ Franklin C1 Cistern Pump: http://store.rainbrothers.com/franklin-10gpm-1-2hp-submersible-cistern-pump-115v-or-230v/ 2018 NOTE: We reference the Franklin C1 10GPM Cistern Pump in this video. DO NOT CONFUSE THIS WITH THE 20GPM version of the C1 Cistern Pump. If you order the 20GPM version, you will not be able to generate any pressure -- that version is meant to work as an effluent/sump pump, whereas the 10GPM (which we stock) is designed for household pressure applications. Please consider supporting us -- we will gladly price match if you find a better price. http://store.rainbrothers.com/franklin-10gpm-1-2hp-submersible-cistern-pump-115v-or-230v/ 2019 NOTE: You may find these follow-up videos useful: *Installing pump in rain harvest cistern: https://www.youtube.com/watch?v=2B4wJKUWVzs&t=33s *EASY pump installation for water tank: https://www.youtube.com/watch?v=fmpuo1nPJm0
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