Hi Dennis- After having problems with leaking joints of threaded home plumbing projects, I did some reading on line about how professionals make joints without leaks. The overwhelming consensus was that teflon tape is useless and that is consistent with my experience. So I never use teflon tape for anything anymore. I now use only pipe thread compound on home and boat plumbing projects and have not had any problems with leaks. I think that makes more sense in this case and replacing the anode more frequently than every 25 years will probably make it easier to get the threads loose. There is no dissimilar metals issue with the water tank or heat exchanger to need tef-gel.
PS- I forgot to ask this- I am not sure I understand the electrical circuit of metals in the boat case that requires these anodes. If the water heater or engine heat exchanger anode is completely gone, but the shaft anodes are present, is there still a danger to metals? Dave S/V Aries 1990 C&C 34+ New London, CT > On Jan 2, 2019, at 11:19 AM, Dennis C. via CnC-List <cnc-list@cnc-list.com> > wrote: > > Both? Kinda. Actually, TefGel makes a pipe thread compound, Tuff-Gel. I > have some. However, it's hard to find and probably not worth the effort. I > think pipe joint compound would work fine. Teflon tape would probably be OK > also. > > Dennis C. > > On Wed, Jan 2, 2019 at 9:17 AM David Knecht via CnC-List > <cnc-list@cnc-list.com <mailto:cnc-list@cnc-list.com>> wrote: > > > So question now is Tefgel or pipe thread compound on the new one? > > > <pastedGraphic.tiff>_______________________________________________ > > Thanks everyone for supporting this list with your contributions. Each and > every one is greatly appreciated. If you want to support the list - use > PayPal to send contribution -- https://www.paypal.me/stumurray >
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