Depends on the check valve.  I wouldn't trust any metal check valve due to
the potential for corrosion.  Corrosion could a) lock the valve open and b)
ruin the sealing surface so it doesn't seal.

I do like, and have on Touche', a Bosworth Sea-Lect check valve.  This is a
plastic flapper style valve with a rubber flap.  It's worked for almost two
decades without issue.

I also relocated the bilge discharge to the port side midships from the
starboard quarter to decrease the hose run.

If I was to reconfigure the bilge pump entirely, I would consider a Ultra
Safety Systems mini bilge pump switch and a "water puppy" style impeller
pump in a storage under a seat.

Dennis C.
Touche' 35-1 #83
Mandeville, LA



> You can route the discharge piping to a level above the discharge
> connection from the hull and do it well before the discharge line gets to
> the discharge connection from the hull.  From its high point it could be
> self-draining outward to the discharge connection.  By doing this it
> minimizes the amount of bilge water that will flow back into the bilge when
> the pump shuts off.
>
> I would not use a check valve in the bilge discharge line because it is
> the last place you want a line blockage.
>
> Bob
>
>
>
> Robert Boyer
> s/v Rainy Days
> C&C Landfall 38, Hull #230
>
> 411 Walnut Street #11447
> Green Cove Springs, FL 32043
> (443) 994-1802
>
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