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396 a/c discharge problem?

Discussion of AC's, plumbing and sanitation related issues.

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Viper
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Vessel Info: 1989 Carver 3807 Aft Cabin
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Re: 396 a/c discharge problem?

Postby Viper » July 7th, 2020, 9:13 pm

If you have three AC units, it's normal for water to discharge through all of their outlets even if you only have one unit turned on. It only takes turning one unit on to turn on the raw water pump which sends water to all units regardless if only one is actually running. The shower sump would be discharging out of a different thru-hull fitting. The only time this is not the case is in boat models where two or more discharge lines go into a manifold and discharge out of a single port.

There are a lot of sources for water in the bilge. Best thing to do is assess each system and eliminate, then move on to the next one. Some common culprits are fresh water system leak at fittings and fixtures, hot water tank leaks, systems discharge lines and fittings, engine raw water system leaks, strainers, shower sumps, and anything going through the hull such as shaft logs, seacocks, rudder logs, fasteners, transducers, etc. There are also external possibilities such as rain water, and lake water while underway.


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