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Old 05-06-2019, 08:00 AM   #1
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How many bilge pumps do you have?

KK42 is my focus, but this might be fun for the whole forum...

I have two confirmed (and labeled on the bridge/panel), but I feel there is a third emergency (I know, "feel", but the PO didn't know anything about the boat, so I've had to discover many things myself.

My aft is in the deep well behind the engine. The front one I only know by the through hull and it running about once a day, I haven't found it yet, but haven't looked hard yet.
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Old 05-06-2019, 09:37 AM   #2
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6 electric and 2 manual installed, a couple spare electric.
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Old 05-06-2019, 09:39 AM   #3
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Three
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Old 05-06-2019, 09:54 AM   #4
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I have 4. Aft, middle, forward compartment and the 4th is in my spare parts drawer.
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Old 05-06-2019, 10:01 AM   #5
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Four, six or eight—depending on your definition of a bilge pump.

Four in true bilge areas—three with float switches and one water “sensing” pump.

Two in shower sumps that would provide additional pumping capacity should in-flooding water ever reach them.

Two small Whale Supersubs—one in a tray under each stuffing box (I like a dry bilge)

I also have Groco flush fittings on the Lehmans and genset that, with a quick-couple hose, can draw water from the bilge using engine pumps.

Overkill? Totally. But most of that came with the boat and I see no reason to remove any of it.
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Old 05-06-2019, 10:27 AM   #6
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I think I have two shower sumps too... though you have to turn them on manually I'd expect. They should be auto IMO.

Ooo, I like the flush fittings idea.

What do you mean by "water sensing pump"?
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Old 05-06-2019, 02:13 PM   #7
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Three, two electric with float switches and a manual pump installed in the lazaret. This pump is located such that I can stand with my upper body sticking out while working the pump handle. The pump has about 20' of 1 1/2' flex hose attached, with a strainer at the end, so that it can located where most needed. The hose hangs on a hook in the engine room, within sight through an opening into the lazaret. That pump and the second on a float switch has never been used but for tests. Fingers always crossed.
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Old 05-06-2019, 02:26 PM   #8
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I have 2 bilge pumps, both recently updated and connected to Blue Guard sensors and their new IoT gateway, and one Whale sump pump for the shower that I installed a few months ago after getting sick of shower boxes.
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Old 05-06-2019, 02:33 PM   #9
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Installed
4 x 3500 gph @ 24v
2 x 4000 gph @ 240v

Spare
3 x 3500 gph @ 24v
1 x 4000 gph @ 240v
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Old 05-06-2019, 03:33 PM   #10
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For my 27' Express, Two electric. Both are switched and at least one may be both come on with a float switch.

And a couple portable manual operated ones. I have lent one or two out and they finally came back.
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Old 05-06-2019, 04:08 PM   #11
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Three Rule Gold Bilge Pumps

Main cabin - 2000 with Ultra Pumpswitch Junior
Engine compartment - 3700 with Ultra Pumpswitch Senior and alarm
Cockpit lazarette - 2000 with Ultra Pumpswitch Junior
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Old 05-06-2019, 05:02 PM   #12
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Quote:
Originally Posted by bridaus View Post
I think I have two shower sumps too... though you have to turn them on manually I'd expect. They should be auto IMO.

Ooo, I like the flush fittings idea.

What do you mean by "water sensing pump"?
Our shower sumps have float switches so no need to turn them on. The “water-sensing pump” is computerized and uses electronic sensors vs a float to activate.
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Old 05-07-2019, 07:58 AM   #13
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I have one electric in the bilge forward of the engine and above the keel, and one Whale manual pump that sucks from the same area.

I now feel inadequate compared with all these boats with multiple electric pumps. Should I carry a spare? I have to admit I rarely look at or think about the poor pump, or do any maintenance on it.
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Old 05-07-2019, 08:08 AM   #14
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Not enough and it is on the list to get done soon-ish. On our 42' Navigator, there is a Rule 2000 in the rudder box and another under the center-ish of the hull. Unfortunately, THAT ISN'T WHERE THE WATER SITS!!! I mean really, the factory couldn't figure out where water sits and put pumps in those locations? I plan on putting one of those Whale pumps with the remote pickup where the water sits forward, then a much, much bigger one in the "well" between the engines with a new thru hull. I haven't decided on a manual one yet. TBH, I am not sure where I would put it. We will see. Still, I am disappointed at the factory's lack of priority regarding bilge pumps.
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Old 05-07-2019, 08:13 AM   #15
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Quote:
Originally Posted by cardude01 View Post
I now feel inadequate compared with all these boats with multiple electric pumps. Should I carry a spare? I have to admit I rarely look at or think about the poor pump, or do any maintenance on it.
Me too, although I might have four (showers) just no spares. Add it to the list.
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Old 05-07-2019, 08:37 AM   #16
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Main bilge: 2x2000 gph, 12v, one low & one high. High has a very loud bell alarm. Spare in box.

Lazarette: 2x3500 gph, 12v. Spare in box.

All have auto/manual/fuse/light panel in pilothouse.

Also have a 2” clutched Jabsco belted to starboard engine, 3600 gph.
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Old 05-07-2019, 08:55 AM   #17
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Three pumps... one manual pump aft and one electric midship. My third is an engine driven pump. I have the float switch for my electric connected to an Aqua Alarm 12VDC bell alarm. My bilge is always dry and having enough water to activate the float switch in my bilge would signal a problem!

Despite ABYC standards, I am personally not a fan of being able to manually turn off automatic operation of my bilge pump. If I had oil/chemicals pouring into the bilge, I would simply and easily disconnect the fuse at the battery.

My electric bilge pump is wired directly to the battery via a fuse, and I wired a high amp diode for two-way (on/off) switch operation with the high water alarm (the diode prevents the alarm from sounding when I manually activate the pump). The diode and wiring are sealed with marine shrink tubing.
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Old 05-07-2019, 09:06 AM   #18
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Quote:
Originally Posted by cardude01 View Post
I have one electric in the bilge forward of the engine and above the keel, and one Whale manual pump that sucks from the same area.

I now feel inadequate compared with all these boats with multiple electric pumps. Should I carry a spare? I have to admit I rarely look at or think about the poor pump, or do any maintenance on it.
Most electric pumps (even the large ones) are generally good for dispensing of water from small leaks and accumulations from rain, leaving a hatch open, shaft drips, etc. No electric pump is going to offset a leak from a hull breach. I visit my boat weekly and am more concerned about having an alarm to notify someone (or me) that there is a leak--a remote monitoring system is on my list! If I were doing some serious offshore cruising, I would certainly have a high capacity engine driven pump and gas-powered bilge pump.

Make sure to have plenty of wooden plugs too!
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Old 05-07-2019, 10:06 AM   #19
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How many bilge pumps do you have?

I do have some plugs, somewhere....

Guess I need to zip tie those plugs to the thru hulls?

I’ve often thought about getting a spare 115v high volume pump I could run off the generator in an emergency, but haven’t. Running out of room!

Something like this maybe? I could drop it in the bilge in an emergency. Big discharge hose should move some water. It says 53 GPM Max, but that’s prob not with 30’ of hose.
https://www.amazon.com/Tsurumi-semi-.../dp/B07Q844LSM
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Old 05-07-2019, 10:15 AM   #20
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I have 3 electric pumps - forward bilge, aft bilge, and lazarette (near the rudder stuffing box), plus the shower sump (with a manual switch) and a Groco flush sea cock for the Volvo. The electric pumps are all on the small side.

Dave
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