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Pat T
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Joined: 6/12/08
Posts: 26
Replacing bilge discharge hose

Did any of you ever replace the discharge hose running from the electric bilge pump? Mine has a leak in it just before it exits the boat near the transome. I have had it duct taped for years. Ran out of other projects so it's time to fix this one. I have the corrugated type now but I remember reading somewhere about using a smooth walled hose that would be better? Any advice/comments appreciated.    

Pat T, 1995 TR, wing keel, #1388
"Liberty Call"
Burnham Harbor, Chicago

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LeslieTroyer
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Joined: 3/13/16
Posts: 511
Smooth is much better especially if you have the type with collars at the ends. You’ll get better flow, and less odor with the smooth.
TadTV
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Joined: 9/17/16
Posts: 29

I replaced both my electric and manual bilge hoses recently with the smooth inside type hose. The originals were very brittle. I used Shields 141 Series, Multiflex Bilge Hose, Black, 1-1/8" for the auto electric bilge that fits the Rule 2000 port (1 1/8"). The Manual hose that goes to the whalegusher manual pump (which I also changed out) is same stuff but in 1 1/2".   I got mine at Go2Marine.com. Their sku for the  1 1/8" is ​469019. I bought it on sale last year but it's now $1.41 per foot.  I bought 34 feet of the 1 1/8" and ended up cutting off a few feet but can't remember how much. The 1 1/2" only seemed to come in a 50' roll so I have a bunch ofd that left over.  Don't use a check valve, it's just another thing to fail or stick closed when you most definitely don't want it to.  Also the 1" size I used to replace all my water tank fills. 

Pat T
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Joined: 6/12/08
Posts: 26

Thanks guys, good info. Especially wanted to know how much hose to buy. I looked at it a litter closer and it is not a straight shot aft from the pump to the transome. It does snake a bit but 34 feet sounds like a good number.  

Pat T
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Joined: 6/12/08
Posts: 26

FYI, mission accomplished. Purchased 34 feet of hose but used less than 30!

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