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Old 03-02-2007, 11:01 AM   #1
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Overflow plumbing

I have two megaflow overflows on my tank. I want to run pvc into a sump and back up to the tank. The two bulkheads from the overflow drains are 1" and the directions say to connect them to a 1 1/4" inside diameter flex pipe. I want to connect the flex to PVC. One of the drains have a tee connection to run into the refuge and into the sump. A ball valve will connect the flow into the fuge.

The bulkheads for the returns are 3/4" and the directions say to connect them to a 3/4" inside diameter flex pipe. I have a mag drive pump which will sit inside the sump. The size of the in and out connections on the pump are 3/4" (inlet female, outlet male). I would also like to run PVC, connect it to flex piping and then connect to bulkhead.

Can someone tell me all of the pieces (including clamps) I would need to accomplish this and also provide advice as to the best way to install the plumbing? Pics would help.

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Old 03-02-2007, 11:13 AM   #2
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Moved to hardware/equipment forum:

www.melevsreef.com & DIY Plumbing 101 should cover all the basics on the types of fittings and amounts you need which will vary greatly depending on the exact setup you have.

I'd T off the return to go to the fuge versus having it come from the drain but that's just my preference.


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Old 03-02-2007, 01:40 PM   #3
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Forget the flex pipe. Buy slip bulkheads and plumb the whole thing with flexible PVC. Use 1" PVC for the drains and 3/4 for the returns. The 1" pipe will fit into the 1" bulkhead and the same with the 3/4'. Go to home depot and get PVC cement and primer and just follow the directions. You can find an adapter at Home Depot for the pump also. Its 3/4" threaded on one side to screw into the outlet of the pump and a 3/4" slip on the top to put the pvc into. I have my whole tank plumbed with flex pvc and its great.
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flow, overflow, plumbing

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