bilge pump and manual pump

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Aug 26, 2010
17
catalina 22 tampa bay
i was wondering if i could run the manual bilge pump inline behind the electric pump? willit still function correctly?
 
Jan 22, 2008
405
Catalina 380 16 Rochester NY
Kevin;

My old Catalina never had a bilge pump, just a portable pump. The Catalina 30 is a little bigger and mine has a dual bilge system, but the larger bilge line runs through a manual pump in the cockpit then out through the stern.

It allows me to pump water out of the bilge manually...

Chris
 
Aug 26, 2010
17
catalina 22 tampa bay
will the electric bilge run threw the manual bilge pump with out manually pumping at the same time i wana use 1 threw hull line...or should i run a pvc t into the line?
 
Mar 20, 2007
500
Catalina 355 Kilmarnock, VA
You'd need to put a check valve in one of the lines, which is not a good idea (has been discussed in numerous other threads on this forum). Strongly suggest you consider two separate lines and thru hulls.
 
Feb 26, 2004
23,067
Catalina 34 224 Maple Bay, BC, Canada
will the electric bilge run threw the manual bilge pump with out manually pumping at the same time i wana use 1 threw hull line...or should i run a pvc t into the line?
Sure. Mine's like that and it works. May even serve to "lubricate" the manual pump so the seals and bellows don't dry out.

You'd need to put a check valve in one of the lines, which is not a good idea (has been discussed in numerous other threads on this forum). Strongly suggest you consider two separate lines and thru hulls.
This works, too.

Your boat, your choice.
 
Oct 2, 2008
3,811
Pearson/ 530 Strafford, NH
Hi Kevin,
I would vote for the seperate lines so you can remove as much water in the shortest period of time. This is based on my experience this summer and why we've been out of the water since mid-August. Also make sure whatever line you use has a loop with a anti-siphon break included. That would have saved us from having any water come in from the stern wake.
All U Get
 
Jan 22, 2008
880
Fed up w/ personal attacks I'm done with SBO
What Stu said. The way mine's installed is the electric bilge pump is attached to the manual bilge pump intake hose. Electric pump discharges through the manual pump, manual pump sucks through the electric pump. Same hose, same discharge. Works fine.
 
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