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Catalina/Capri 25/250 Sailor's Forums

Catalina 25 Specific Forum

Electrical bilge pump question

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blanik
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Canada
210 Posts

Initially Posted - 02/25/2012 : 11:42:47

Hi, i want to get an electrical bilge pump, i plan to stick it at the end of the manual pump hose in the bilge like many of you did, my boat is an 84, what was the diameter of the hose used on those?

1" ? 1-1/8" ? or 1-1/4 ? it must be the same size on all the boats since the plastic through hull that spits the water out is pretty similar on all C25

1984 C25 FK/SR #4593
Lake Champlain

Edited by - blanik on 02/25/2012 13:18:22

islander
Master Marine Consultant

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USA
4018 Posts

Response Posted - 02/25/2012 : 12:17:56

According to this from the parts catalog its 1 inch.

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blanik
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Canada
210 Posts

Response Posted - 02/25/2012 : 12:36:23

i saw that but since all the bilge pumps i've seen for sale have either a 3/4" or 1-1/8" output barb i thought that this was for non standard early C25s :-/

for those who installed an electrical bilge pump at the end of the manual pump hose, what brand/model did you use?

Edited by - blanik on 02/25/2012 13:19:19

jerlim
Master Marine Consultant

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USA
1484 Posts

Response Posted - 02/25/2012 : 13:34:17

IMHO...may I suggest adding a secondary hose for the electric bilge pump? Redundant systems are best when they are as independent as possible. Our electric pump drains into the cockpit and runs out the scuppers. No new through-holes, and you can see just how much water is being pumped out.

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Dave5041
Former Mainsheet Editor

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USA
3758 Posts

Response Posted - 02/25/2012 : 13:48:05

Yep, using the manual pump line still gives you one bilge pump, but with more obstruction in its path.

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delliottg
Former Mainsheet C250 Tech Editor

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USA
4479 Posts

Response Posted - 02/25/2012 : 15:49:28

There are many threads on this, but it seemed like most came down on the side of adding an extra discharge line instead of using the manual discharge hose.

I added an electric bilge pump to SL a couple of years back, and added a second discharge line. I believe it was 1-1/8", but I'm not positive. I think I have a spare piece of the line in my shop, I'll take a look next time I'm out there.

Here's [url="http://www.catalina-capri-25s.org/forum/topic.asp?ARCHIVE=true&TOPIC_ID=18016&SearchTerms=bilge,pump"]a link to how I did it[/url], and there is another link to a long discussion about bilge pumps in there as well.

Good luck & let us know what you decide to do!

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Voyager
Master Marine Consultant

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USA
5352 Posts

Response Posted - 02/26/2012 : 10:55:48

Jerry,
You said <blockquote id="quote"><font size="1" face="Verdana, Arial, Helvetica" id="quote">quote:<hr height="1" noshade id="quote"> Our electric pump drains into the cockpit and runs out the scuppers.<hr height="1" noshade id="quote"></font id="quote"></blockquote id="quote">
How did you route the hose? I can see it following the existing hose from the bilge to the manual pump.
Did you cut a 1" hole through the fiberglass from the dumpster into the cockpit somewhere along the line? Did you use a barbed fitting to make it secure to the cockpit?
Something along the lines of [url="http://www.westmarine.com/webapp/wcs/stores/servlet/ProductDisplay?productId=34107&catalogId=10001&langId=-1&storeId=11151&storeNum=50632&subdeptNum=50646&classNum=50648"]this[/url]?

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blanik
Navigator

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Canada
210 Posts

Response Posted - 02/26/2012 : 11:32:52

i won't be making another hole in the boat, if i install an elec pump it will be on the actual hose... i was looking into that because i'm not sure i will have a dock next summer, might end up on a mooring, the auto pump was just for added safety when i'm not there, i did a lot of work on my boat but there's a point where i have to stop, i don't want to end up with a 25' at the cost of a 30' (and at the value of new equipment and the resale value of a 25 footer it's easy to get carried away beyond what's reasonable ;-)

Edited by - blanik on 02/26/2012 14:24:10

JAB
1st Mate

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USA
38 Posts

Response Posted - 02/26/2012 : 15:10:45

Like jerlim says above, an electric bilge pump is better installed separately from the factory manual one. Many books recommend epoxying in a piece of star board or some such Above the manual pump and mounting the electric pump and float switch on that.

The manual pump keeps the bilge nice and dry, thank you. The new electric one is there for emergencies.

Our electric pump exhausts into the cockpit, just above the floor. From there, water goes out the rear scuppers. No new holes in the hull! Also, if my feet suddenly get wet, I know I have a PROBLEM.

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blanik
Navigator

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Canada
210 Posts

Response Posted - 02/26/2012 : 19:32:26

and if your cockpit fills with such a big wave that it take a while to empty, could that water go back in your pump drain? (since you mention it's close to the floor)

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jerlim
Master Marine Consultant

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USA
1484 Posts

Response Posted - 02/28/2012 : 15:35:35

Bruce,
Yup, that's the fitting that goes through the dumpster into the cockpit, at about the height of the manual pump mechanism

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Voyager
Master Marine Consultant

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USA
5352 Posts

Response Posted - 02/28/2012 : 20:39:56

I like the idea of having an electric bilge pump in theory, however I've never had enough water in the bilge to use the hand pump, let alone an electric pump. Guess I should thank my lucky stars for that!
When it rains really hard, I get about a quart-total in the boat. If there is no rain, I get no water in the bilge at all.

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Boomeroo
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Australia
129 Posts

Response Posted - 02/29/2012 : 17:51:11

Hi, I have an electric pump connected directly to the battery ( via 10amp fuse)and it pumps to the stern fitting .. If a problem IE thru hull leak etc when I am not there the pump will help delay .
The manual pump is in the dumpster and sucks from there, and an opening would allow water from the bilge area thru if a couple of inches deep It exhausts thru the dumpster opening via a flex hose (normally in the dumpster)to the cockpit . This means I can see the suction and exit easily if an emergency, an d test with a bucket of water every few years . (reminder must do.)
Have only tested them as no leaks large enough to need them so-far .

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