Plumbing Modular marine overflow?

gatohoser

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I just started trying to plumb my Modular Marine overflow and man it’s a tight fit on everything! What do you guys think of this layout for the three pipe system?

At this stage, my emergency drain in the middle just has a random short pipe on it til I cut a full length one. My left side overflow is my Open Channel overflow (the one that allows in air and doesn’t go full siphon) and will have a 90 and a cap on the tee. The cap may have an airline if I can make that work somehow without having to prop my lid open.
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Is there anything wrong or silly here? First time doing a beananimal style three hole overflow.
 
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Coolcasino

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You're right it is a tight fit. I have 90s on Main and middle. 1 shorter than the other. The emergency is a straight pipe up. I've seen the main with just a coupling on it. You will adjust the level with the gate valve. The order you have it in is fine, what matters is the water level in the box. Your emergency should be way higher though.
 
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gatohoser

gatohoser

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I went bare bulkhead for the full siphon drain.
Oh I didn’t know you could do that. Thanks. Was yours also a Modular Marine? This looks way tighter than anything I see online! Prrttt tricky.
 
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gatohoser

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No elbows needed
Ahhhh thanks! This makes a lot of sense. What is different with their design that allows that versus all the ones I see plumbed the way I was attempting and falling at lol! Or is it just always fine to do it with straight pipes?
 
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NowGlazeIT

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Oh I didn’t know you could do that. Thanks. Was yours also a Modular Marine? This looks way tighter than anything I see online! Prrttt tricky.
Yes mine is the 1800gph
 
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NowGlazeIT

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It’s all ways been fine to use straights pipes
I like the elbow on the secondary because my water level fluctuates a bit more then I’d like. The elbow will take on more flow than the straight pipe before becoming noisy ime
 
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The Farmer

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I like the elbow on the secondary because my water level fluctuates a bit more then I’d like. The elbow will take on more flow than the straight pipe before becoming noisy ime
With the elbow it creates a suction that’s why it’s a little quieter
 
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Here’s another option I was trying while you guys were filling me in on elbows versus no elbows. I’d like it to be super quiet so I’ll see if I can find some other configuration to fit that again with this drain ordering since it fits my sump plans best without crossing over pipes
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