WTB CPR C150 overflow

A few things..

I have used a few overflow boxes over the years, and the CPR was the only one that ever failed and caused floods and death, (on more than one occasion.). User error.. maybe, but I never had problems with any of the other U-tube models.

Drilling may also be a better option.

And.. Is you sump big enough/designed well enough to handle 1600 gph?
 
I have never (knock on wood) had any problems with mine. As long as you use a lifter pump the flow does not stop. I clean / replace my airline tubing about once a month though which is fine with me because I just do not like the bulk of the overflow boxes with the U-Tubes.

G
 
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