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Old 06-06-2019, 10:04 AM   #1
Pgitug's Avatar
City: Punta Gorda, fl
Country: Usa
Vessel Name: Escapade
Vessel Model: Nordic Tug 37 2002
Join Date: Jan 2015
Posts: 1,164
Doubled My AC Cooling Water Flow

My AC cooling water flow was less than I remembered from last year. My AC pump is looking a little rusty and since it is 16 years old I decided to PM replace it. While doing this I decided to replace the hoses from the thru hull to the pump.
When I took the hose off the bronze thru hull valve I found a cluster of three or four little clams/Muscles attached to the bronze nipple. The hose was clean. Took a screw driver and broke them loose. Flushed them out by opening the thru hull valve. Now my AC water shoots out twice as far from the side of the hull than it did before.
Yes, I still replaced like pump with a new one.
Happy Days.

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Old 06-06-2019, 10:23 AM   #2
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City: Lakeland
Country: United States
Vessel Name: Wanderlust
Vessel Model: 1999 Jefferson Rivanna 52'
Join Date: Feb 2018
Posts: 573
Good result. And a good reminder for all of us to check the same area.

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Old 06-12-2019, 02:10 PM   #3
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City: Westerly, RI
Country: USA
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Vessel Model: 1999 Mainship 350 Trawler
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Intersting. I always clean out the pickup/stainer outside the hull every spring before the boat is launched. But I never thought to check on the hose side of the seacock valve.
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Old 06-12-2019, 02:47 PM   #4
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City: Va Beach
Country: USA
Vessel Name: SeaShell
Vessel Model: 1974 Marine Trader 34 Sedan
Join Date: Aug 2018
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Same thing happened to me on the main engine intake and the generator intake. Here on the southern chesapeake bay we have to clean barnacles and oysters monthly.
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Old 06-12-2019, 06:59 PM   #5
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City: North Carolina for now
Country: USA
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Vessel Model: Boston Whaler 130 Sport
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Posts: 5,808
Keep the old one as a spare.

"There's the Right Way, the Wrong Way, and what some guy says he's gotten away with"
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