Pearson Boats - Common Systems > Plumbing and Galley Systems

Bilge outlet routing

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selene:
I currently have a single Rule2000 bilge pump, not automatic, which joins the cockpit drain on the port side (after it's venting loop).  I am looking to add a second pump, with a float switch, bit higher than the first, as backup.

The question is - where to I route the outlet?

My current ideas are:
(1) out with the shower sump - stbd side. Only problem is that the outlet is a smaller bore than the pump (~3/4"? vs. 1-1/8")';  it would be a pain to change the through-hull.

2) Run it to the transom - the manual bilge outlet is on the stbd side, there is a covered-over hole in the same position on the port side.   Put a new marelon through-hull there.  Longer run - not sure where I would put the venting loop; it would have to be high enough so the water would go downhill to the thru-hull.

Any suggestions?

selene:
Would appreciate any comments on how your bilge pump is configured....

Dolce_Vita:
I recommend a completely separate discharge, above the waterline.

On Dolce Vita,  the Whale Gusher manual pump, and the automatic Rule pump
both have dedicated hose runs to independent thru-hulls on the transom.

selene:
Thanks, Ed!  Incidentally, where is your venting loop for the Rule? I was thinking of epoxying a wooden plate to attach the loop right next to the manual/whale pump.  Should be high enough. Then out the transom. 

Dolce_Vita:
With the discharge above the waterline, no vent loop is required, as a siphon can't start.

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