mrfixxit
New Member
Ok, this will be my first post but I have been reading and learning from a few of you on your posts. Last year I found water coming from the fresh water tank and decided this spring to replace it. After reading a bunch on here I figured I would find liquid under the subfloor in the open cell foam searay injects under it. Sure enough it was saturated. I removed the subfloor, removed the foam and dried the whole thing out. After a few weeks of running a furnace blower on it and running a dehumidifier 24/7 I figured it was dry enough to proceed. Nope, arrived one day to 2-3 inches of water in the v of the hull below the subfloor. Dried it up again and it kept returning for a day or so. Started checking possible sources and could find nothing wrong any where. Things I checked. T fitting through the bulkhead that circulates the water through the heat exchangers for the two heatpumps, Condensation pans for the heat pumps and the drain tubes for them. As most of you know the forward heat pump drains into the shower sump and the rear one drains through the bulkhead into the engine room. I replaced the rear drain tube and ran it all the way to the rear engine room sump. I also re siliconed the condensation pan where the hose goes through. I traced the front condensation line to the shower sump and there are no leaks there. Also, since the first issue I have only been running the heat pumps on heat not ac so there is no condensation from them to cause the problem again. I also dried up the engine room completely and sealed a leaky transducer(pulled the boat from the water) in the unlikely event of water penetration through the bulkhead. So, yesterday(2 weeks after last water issue, been completely dry until this point) the wife and I were at the boat. I was installing a new kitchen sink faucet and water purification system. Up until this point I hadnt tested the new water system for leaks(forgot to mention everything has been put back together). I filled the tank and saw no visible leaks(new poly 80 gallon tank) and I ran the 12v water system to purge the antifreeze and test for leaks and proper operation. No leaks and everything seemed good. Then I hooked up to city water and also ran the system and again everything looked good. I didnt mention that during the process of putting everything back together I decided to leave an access in front and behind the tank in the subfloor to monitor if the problem happend again. I think you can guess the next line, it happend again. Probably 5 or so gallons of water in the bottom of the hull below the subfloor. Its been bone dry for 2 weeks. All I can remember that I did yesterday was, turned on the refrigerator for first time(its dry behind it) filled the new water tank and ran on the 12v and ran off the city water. Also, it poured like cats and dogs last night(i cant recall if it rained or not last time). The water that I pulled out is clear. My thought is that if the water system was leaking (except for the section from the city inlet to wherever that ties into the system) then I should have antifreeze under the subfloor and the water I removed should have been slightly pink with an alcohol smell. Same thing with the drain lines if they leaked. If the refrigerator were able to produce 5 gallons of condensation then I would assume some of it would have to be on the floor behind it and besides, how would it get under the subfloor anyways. The rain I suppose could be possible but I'm confused how it would get from the the outside of the boat to the very bottom center without making anything on the interior wet. So, thats were I'm at, totally confused. I am going to rig up a pump to alleviate the problem as it arises but what I really would like to do is solve the mystery of where it is coming from and fix it. Any help or idea is welcome. At this point I will try or investigate almost anything. I am going to mark up some pictures and try to upload them to clarify some of the details (new to uploading pics on here so quality sucks, the pics show my 2 access points and the third pic is just for reference to show where I am seeing the water not how much I had this time, the amount I had this time was a whole lot more than the tiny bit shown in that pic). Thanks for any help in advance.
