Bilge Pump

Shp69 · **Joined:** 01 Nov 2006 17:07 **Posts:** 3

Has anyone attempted to discharge the bilge pump into the galley sink drain. I have had a problem with return flow after the pump stops while pumping into the cockpit drain.

Down2TheC · **Posted:** 01 Nov 2006 18:25

Not sure what you mean... ours pumps overboard. And you'll always have some backwash as long as you're pumping to a place higher than the bilge. You really have to have some high point in the system so the water won't want to come in. Or am I missing something?

T37Chef · **Posted:** 05 Nov 2006 13:51

I just replaced our bilge pump with 3700 GPH Rule, so far so good. I also had the backwash issue before this install. This time I added a check valve close to the pump. I also wired it directly to the battery, bypassing any switch. This virtually eliminates any human error.

I am curious what people have done with their sump pumps. Right now it drains into the bilge. I haven?t attempted to repair this yet, partially because the previous owner said he couldn?t get the water to pump out due to the length and height to the thru hull. I was thinking about running the line to the Head sink thru hull? What has worked on your boats?

Tortuga's Lie · **Joined:** 27 Oct 2006 10:32 **Posts:** 827

Isn't water supposed to be on the outside of a boat?? My bilge pumps all have back-flow preventers, but after awhile, the water seeps back into the bilge anyway. My shower and ice box sump is independent and pumps overboard. I have a manual bilge pump, a rule 3000, and an emergency y-valve on the engine intake, which helps out during winterizing. My stuffing box has a dripless shaftseal that works great so I'm not getting a lot of water in the bilge, at least thats the plan....

Down2TheC · **Posted:** 08 Nov 2006 14:13

We talk about putting that Y fitting in every fall. Snicker

But we're still undoing hose clamps every season. Our biggest water source is the lifeline stantion mounts. A couple have been stressed enough to allow leaks. we got about 4" of water in the bilge while on the cradle for two weeks! Shocked

That can't be coming from the shaft. Time to do some waterproofing.

T37Chef · **Posted:** 09 Nov 2006 19:50

This might sound weird but it?s nice to know I?m not the only one who doesn?t know exactly where their bilge water is coming from Confused

Down2TheC · **Posted:** 10 Nov 2006 08:45

^^^ Ah... the alternate use of the "enthusiast forum". We share solutions when possible, or sometimes, just cry in our beer together. Splice

Jay · **Joined:** 22 Oct 2006 19:25 **Posts:** 61

I have a separate discharge hose for the shower sump. I have a Rule Super Switch in the sump which turns on a Jabsco Par Max 3 pump which discharges through a thru-hull adjacent to the starboard cockpit scupper. In the bilge I have a Rule Mate 1100 discharging past a check valve into the starboard cockpit scupper hose. The check valve precludes backflow through the scupper. A prior owner installed the drainage, and while it seems to work OK, I'd probably have designed something different. For one, I don't like check valves as they seem to cause the pump to have to work harder. Jay.

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Bilge Pump

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