[Public-List] Bilge Pump Setup

[Gordon Laco]

Brilliant. Thanks.

Will I see you in Feb?

On 1/6/09 11:57 AM, "richard.hazlegrove at wachovia.com"
<richard.hazlegrove at wachovia.com> wrote:

> To follow up on Gord's comments,  I have a Jabsco Water Puppy impeller
> pump mounted on the starboard engine bulkhead (liner boat).  It pulls
> through a Y valve that has on one side a hose to the bilge with a bronze
> strainer.  The other side of the Y has a hose attached to the icebox drain
> hose.  For the reasons mentioned earlier,  there is no separate float
> switch mounted in the bilge.  The pump is operated manually from a switch
> on the panel and the Y is positioned to either drain the bilge or the
> icebox.  It has worked well for over ten years.  I would advise that if
> you plan to use this arrangement,  to find a way to mount the pump as low
> as possible in the boat without exposing it to bilge water.  Because of
> space limitations mine is half way up the bulkhead,  probably 3' above the
> bottom of the bilge.  The pump specifies that it can pull a prime up to
> 4'.  In practice it's closer to 30 inches.  Even with two 115 amp
> batteries constantly on a smart charger, and a new impeller,  the pump, if
> not used for a while occasionally requires a manual prime.  The first few
> feet of my exit hose run has a little dip that holds a few oz. of water. I
> simply lift this section of  hose and this water flows down into the pump.
> Once wet,  the impeller immediately pulls the prime and moves quite a bit
> of water.  I also maintain the manual pump in the cockpit as a backup. As
> far as any siphon risk is concerned,  the exit hose run makes a high loop
> next to the manual pump hose in the aft cockpit locker.  The impeller also
> impedes the potential flow of water back through the system.  As a final
> precaution,  switching the Y valve to the icebox side completely
> eliminates any chance of a siphon.
> 
> 
> Richard Hazlegrove
> Quest 433
> Mobjack Bay, VA. 
> 
> 
> 
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