Dual-pump bilge outlet question

Steve

Member
I don't know for sure but I would guess you'd get less flow with one outlet than you would with two but the question is: how much does it matter?
I have both my pumps plumbed into one outlet but normally only 1 pump will be used. If you find yourself in a situation where you need 2 pumps running at the same time, the difference between one discharge or two likely won't keep you from sinking. If you really want to know, you could do a test where each pump has a dedicated discharge and one where the discharges are combined, time it and measure your outputs. If you do it, let us know the results.
 

mike_israel

Amphicar Forum Admin
Staff member
Agree with Steve. The 2nd bilge pump is more of a backup in case 1st fails. Keep it wired on a separate circuit .
 

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