Nellie D. 37VT63's wet bilges have driven me crazy. Today I solved the problem by installing a Slurpee What's a Slurpee? Here's a previous post that discuss the Slurpee's design details and here's a post that discusses the Slurpee installation on Knock Off 37VT66.
The 3.5 gallon/minute Shurflo pump is mounted under the floorboard just outside the head. The pump's mount is made of high density polyethylene (HDPE) cut from a 3/8" thick, $9, Wal Mart, cutting board. The right angle in the HDPE was formed using a heat gun.
Two 1" PVC threaded nipples were screwed onto the Shurflo's 1/2" MIP treads. Then the 1/2" MIP end, of a 1/4" hose fitting, was screwed into the bushing.
The effluent is pumped into the drain line of the head's sink. To accomplish this the opposing ends of a 1" PVC tee were hose clamped into the cut drain line. After a bushing (1" slip to 1/2" FIP) was glued into the tee, the 1/2" MIP end, of a 1/4" hose fitting, was screwed into the bushing.
The programmable controller, with manual on/off switch, is mounted with HDPE under the galley's floorboard. Visible just to the right of the controller is a vacuum line connector. It's here that either the forward or aft bilge pickup is plugged in.
Nellie has two strum boxes: above is the picture of the under-engine bilge strum box. The strum box in the aft bilge is all the way back under the stern tube. Notice how dry the bilge is? Ahh.
Dave Howell, on the hard aboard Nellie D., Charlotte Harbor, FL
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