Question about Flotec Simer/Flotec/Omni 2105 Swimming Pool Cover Pump

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Low water flow

I have a 1 1/2 hp Flotec model #AT 251501--failry new--when hooked to pool ( 1 1/2 lines ) on 220v hookup--does not build up full pressure--water surges & never fills trap up full. When I replace with a 1HP Starite maxiglas-everything works fine. I bought the Flotec used & checked out the Impeller ect. all appears fine. Was replacing the Starite which I wanted to use on a spa. Any suggestions for the problem with the Flotec ??

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  • jfbyers
    jfbyers Jun 22, 2012

    I have the same problem with the same model. If one pump works and the flotec doesn't wouldn't that point to the pump and not air in the system.



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Sounds like air is trapped in the system somewhere. that is why any pump will surge. check the lines going in to make sure it isn't sucking air somewhere along the way and make sure the discharge line is clear so it can pump out fully.

Posted on Feb 26, 2009

  • jfbyers
    jfbyers Jun 22, 2012

    The only question I have is if one pump is pumping correctly then why is the Flotec pump not. Is it possible the flotec doesn't have the capability to pump water or is there a dual speed on the pump. Having similar problems with the same flotec model.



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Your best bet is to get off this site, go to Google or Yahoo or any other search engine and type in "Flotec Pumps" and you will get several thousand places to shop.

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1 Answer

Low water flow from filter

There are several ways to troubleshoot this. If you remove the cartridge from the filter, you would be able to see if that is the problem. If the flow is the same without the cartridge, then there is a lack of flow into the pump , or a blockage in the outlet, if the pump presure is high, more likely the blockage is in that return line to the pool. Make sure all the selector valves are open.

Please vote !!

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1 Answer

Pump keeps turning off

this pump needs about 21/4" of water to operate properly, this pump will not remove all the water from the cover and will cycle on and off as it looses prime. If the motor turns completely off, it may be a an issue with low line voltage. you can try using a lager gauge extension cord to try and fix it, otherwise have an electrician test the line voltage.

Here is a pdf of the manual:

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1 Answer

I got 1 year old flotec 3/4 hp pump and it take

I have had the same problem there are a few things that can cause it to take longer to shut off, if you are running a sand point well that's usually a sign that the sand point is clogging up,if you have a sistern or a dug well check the screen on the end of the suction pipe,another possible cause is the water level has dropped low enough the pump is having to work harder to pull the water up, you should also check your pressure tank and the points for the pump if the points are sticking the pump will keep running till it builds enough pressure to trip them.Check for leaks in the suction line, if it is sucking air that would cause it to run longer to.I hope these suggestions will help fix the problem. Have a great weekend

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3 Answers

Code 90 blinking what do I need to do?

Code 90 is supposed to be indicating there is a low or no water flow condition. I have had this happen when my filter got dirty and it's water flow was reduced and when the electrolytic cell had a lot of deposits and blocked too much of the flow.

The water flow is detected by the flow sensor. The flow sensor is contained in the tube located immediately behind the square transformer housing. It has a cord coming out of the top of it.

Make sure your water is flowing in the correct direction. It should flow in the right side of the 8110 and out the left side of it. If you detach the hose on the right side of the unit, you will see a small basket which is supposed to catch debris before it can enter you electrolytic cells. Make sure this small basket is clean. After the basket is the actual flow sensor. It has a paddle hanging down which gets deflected up as the water flows through the tube. Make sure the paddle pivots freely and does not have any kind of build-up on it. After the flow sensor is the electrolytic cell. If the space between the plates has a lot of build up you will need to clean the plates (I pressure was them).

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1 Answer

Low water flow

1. If your filter hasn't been backwashed, that's a good place to start. 2. If you haven't done a seasonal disassembly and washout of your filter, that will allow a residual to build up and keep your flow low. 3. The control selector may want to open that up and make sure there's no blockage in there as well... only as a last resort. 4. Also, remove the basket in the pump and reach in to the intake port and check for debris...that'll do it too. Let me know if you get the pressure back up! K

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Schematic for wiring in a Flotec Pump

Remove end casing of Flotec motor housing they have a 115v/220v switch, turn to 220v, see website flowtec water. Flotec parts 1-800-365-6832

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