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Old 10-06-2013, 06:51 AM   #1
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Sump overflow question

Overflow rated at 300gph
return pump rated at 590gph

Doesn't sound like a good match. Sorry for the newby question.
40b with 15gal sump.

Am I going to have an issue?


Thanks
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Old 10-06-2013, 08:50 AM   #2
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just use a ball valve to slow the return
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Old 10-06-2013, 09:04 AM   #3
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+1 on the ball valve or get a pair of ball valves and a T connector and divert some of the flow back to the sump or into a reactor, slimmer, etc
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Old 10-06-2013, 09:29 AM   #4
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+1 on diverting flow. You dont really want to put to much backpressure on the pump. Itll burn the pump up
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Old 10-06-2013, 09:48 AM   #5
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Quote:
Originally Posted by huma-huma View Post
+1 on diverting flow. You dont really want to put to much backpressure on the pump. Itll burn the pump up
So 2 ball valves and a tee connector. Sounds like a plan.


Thanks for the info.
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Old 10-06-2013, 10:20 AM   #6
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Quote:
Originally Posted by bluzepher1 View Post
So 2 ball valves and a tee connector. Sounds like a plan. Thanks for the info.
Look at my build thread. I have videos on what I did. I have 2 drains so I used 2 ball valves and one retirement has a ball valve.
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Old 10-06-2013, 10:26 AM   #7
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Look at my build thread. I have videos on what I did. I have 2 drains so I used 2 ball valves and one retirement has a ball valve.
What is the link for your build? Tried searching for it.
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Old 10-06-2013, 12:18 PM   #8
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I am on my phone app so I can't copy the thread. Just click on my name and then click on posts from this user. And you will find it. Hope that helps.
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Old 10-06-2013, 12:52 PM   #9
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Put a ball valve on the return line, when you start it up keep it wide open cus you will have head loss and if you add elbows more loss there. If the tank water rises to high then turn down the valve. Placing the weir of the overflow box properly is important but easy. It will adjust the height of the tank water to prevent flooding. Start off at just above the bottom of the tank rim.(black support around tank)adjust if needed. Good flow thru the box will keep the siphon and will start right up after you plug the pump back in after wc.
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Old 10-06-2013, 01:05 PM   #10
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My tank is not hard piped. Vinyl tubing on return pump and corrigated gray tubing on drain from over flow

I just bought a smaller return pump, could not locate a ball valve at my location big box stores. Geeze.
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