Tom,
I have been very successful at replacing the original gray butyl plumbing pipe with PEX. It is readily available at RV stores and uses many of the same connections. The pipe is easier to bend and seals well. Check it out. I've had several sections of the grey tubing crack and fail. PEX appears to be much more durable. Jake Jake Brodersen "Midnight Mistress" C&C 35 Mk-III Hampton VA From: CnC-List [mailto:cnc-list-boun...@cnc-list.com] On Behalf Of Tom Buscaglia via CnC-List Sent: Wednesday, May 27, 2015 7:14 PM To: cnc-list@cnc-list.com Cc: Tom Buscaglia Subject: Stus-List Grey Potable water connectors New issue for me, but I hope others have run into this. Alera has a pressurize potable water system. It uses grey colored hoses and fittings throughout. All appear to be original except for those around the three way valve I replaced a few years ago. One (or possible more) of the "T" fittings where the hot and cold water runs split behind the sink to go to the sink and shower in the head have small leaks. Here's a picture - https://www.flickr.com/photos/37365243@N00/17989742489/in/dateposted-public/ <https://www.flickr.com/photos/37365243@N00/17989742489/in/dateposted-public /> The leaks are not enough to be a huge problem in terms of volume. But, they leak out from behind the bulkhead into the floor of the head scandalizing the Admiral and making gett8ng them fixed a high priority. Also, I suspect that I may have, or will have, similar issues at other junctures that I have not discovered yet. According to my brother, who has a CS40 at Niagara on the Lake with a similar set up, this grey stuff was all the rage, including in residential applications, until they learned that it started to deteriorate after 20 years or so, developing hair line cracks and leaks. The company is now out of business, of course. These are in a difficult location and appear to have been done originally without any silicon tape sealant. I can probably get a wrench on them but am worried that if I can to either tighten them or loosen them to put on the tape sealant before tightening em back up until they stop leaking, they'll break. Thus, turning a small problem into a big one. Now to my actual question... What do you think of using a sealant on these after a thorough cleaning and drying process? Has anyone done this successfully? If so, what did you use? If not, (this ought to be a good one) what sealant would you suggest I try? (My Brother Tony suggested 3m 4200, but I'm not sure about that one) As always, suggestions, stories and wise-assed remarks are all welcome! thx Tom B Tom Buscaglia SV Alera 1990 C&C 37+/40 Vashon Island WA (206) 463-9200 www.sv-alera.com <http://www.sv-alera.com/>
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