I bought a check valve from Grainger plumbing five years ago a d wouldn't look 
back.   Keep your bilge clean and you won't have a problem.  Installed right 
next to bilge pump so access easy.  
Raise switch a little, put in che Ck valve. Done.
Bill Walker
CnC 36

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On Saturday, January 2, 2016 Dennis C. via CnC-List <cnc-list@cnc-list.com> 
wrote:

Despite the "conventional wisdom" against check valves in bilge discharges, 
I've had one in Touche' for a decade and a half with no issues whatsoever.  I 
think the secret is the type of check valve one installs.  Jabsco, Whale and 
Bosworth make check valves for bilge discharges.  I have this one:  
http://www.westmarine.com/buy/bosworth--nylon-in-line-check-valves--P011_332_003_515


The bilge in the 35-1 has so little volume that my 1500 gph centrifugal pump 
just spurts and stops.  If it were not for the check valve, I'd simply be 
filling and draining the hose continuously.

Your other choice would be a diaphragm pump (which I think Joel said he already 
has).

Dennis C.

Touche' 35-1 #83

Mandeville, LA


On Sat, Jan 2, 2016 at 6:06 PM, Marek Dziedzic via CnC-List 
<cnc-list@cnc-list.com> wrote:

I think that there is general consensus that a check valve in a bilge pump hose 
is not a good thing.

 

But honestly I don’t have a good solution for avoiding the water coming back.

 

Marek

 


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