Over Flow Pipe Size?

Chris Osborne

Member
I have a 75 gallon tank with a 1900 gph drilled overflow with a 1050 gph return pump. How big do I need the plumbing from my tank to my sump?
 

HarryPotter

Member
If the overflow is already drilled and has a bulkhead, don’t you already know the size of the plumbing?
 
  • Thread Starter

Chris Osborne

Member
HarryPotter said:
If the overflow is already drilled and has a bulkhead, don’t you already know the size of the plumbing?
Sorry, bad wording on my part. I have a tank that I am going to drill. The return pump rated at 1050 gph. What size diameter do I need the over flow plumbing to be?
 

HarryPotter

Member
Given you have not mentioned what type of overflow you are planning on, I suggest you start with googling basic plumbing and overflows.

Drain/Overflow Size
 

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