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Author Topic: Aft lazerette thru hull  (Read 174 times)

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Oldlaxer1

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Aft lazerette thru hull
« on: July 25, 2020, 02:13:13 PM »

At survey we discovered the thru hull above the water line on the stb side of the aft lazerette has cracked. The exterior flange is only being held on by friction. The hose is a white corrugated hose. I couldn’t trace it all the way but I believe it is the bilge pump hose.  Two questions, is this actually the bilge pump outlet and is a standard marelon thru hull with hose barb the correct replacement?
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John Novotny
1987 C34 #298

rmbrown

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Re: Aft lazerette thru hull
« Reply #1 on: July 25, 2020, 02:39:59 PM »

My bilge pump outlet is center of the lower transom.

I can't picture the starboard of the aft lazarette.  My aft lazarette is port side, so the starboard side of that is in the cockpit?
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Mike Brown
1993 C34 Tall Rig Wing Keel Mk 1.5
CTYP1251L293
Just Limin'
Universal M-35AC

Oldlaxer1

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Re: Aft lazerette thru hull
« Reply #2 on: July 25, 2020, 02:56:21 PM »

This is a Mk I so no walk through transom. Big lazerette aft of the wheel.
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John Novotny
1987 C34 #298

Jon W

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Re: Aft lazerette thru hull
« Reply #3 on: July 25, 2020, 02:58:40 PM »

Don’t have that hose thru the hull in my 1987. Think you need to trace it. It might be your electric bilge pump. Put water in the bilge with a weight holding the float switch down. Then remove the weight to activate the float switch and see if the water exits that hose.

The manual bilge pump hose is usually the white corrugated hose attached to your lower transom centerline shown in your photo.

The black hose should be your cockpit drain.
« Last Edit: July 25, 2020, 03:00:33 PM by Jon W »
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Jon W.
s/v Della Jean
Hull #493, 1987 MK 1, M25XP, Std Rig
San Diego, Ca

Noah

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Re: Aft lazerette thru hull
« Reply #4 on: July 25, 2020, 06:21:07 PM »

Whatever it is, (bilge pump or drain) the “above the waterline” thru-hulls are usually nylon—which degrade and break after a number of years due to UV. You can replace again with nylon or Marelon.
« Last Edit: July 25, 2020, 06:36:52 PM by Noah »
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1990 hull #1014, San Diego, CA,  Fin Keel,
Standard Rig

rmbrown

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Re: Aft lazerette thru hull
« Reply #5 on: July 25, 2020, 07:27:30 PM »

Sorry I didn't read the signature block first!  I love my 1.5's walkthrough but envy that lazarette!
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Mike Brown
1993 C34 Tall Rig Wing Keel Mk 1.5
CTYP1251L293
Just Limin'
Universal M-35AC
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