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 > > _______________________________________________ > > Thanks everyone for supporting this list with your contributions. Each > and every one is greatly appreciated. If you want to support the list - > use PayPal to send contribution -- https://www.paypal.me/stumurray > >
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