Some water heater installations include a backflow preventor (check valve) sometimes they can tap or rattle a bit.
What about temperature/themal expansion. The hot water pipes in my house creek and pop as they heat and cool. They are copper not plastic like our 37+'s. I'm interested in know what you figure out. Josh Muckley S/V Sea Hawk 1989 C&C 37+ Solomons, MD On Aug 3, 2014 12:05 PM, "Tom Buscaglia via CnC-List" <cnc-list@cnc-list.com> wrote: > We are out on our annual cruise headed to the C&C Rendevous on Thetis and > have developed the weirdest tapping sound in our water system. It is loud > and in sync with the water pump. It seems to be associated with the how > water line to the sink in the forward stateroom. > > The pipe is under the stbd water tank and I have some everything but pull > the tank trying to figure it out. One day it was fine, the next tap tap > tap. > > Any wild ideas are welcome. I am stumped. > > Tom Buscaglia > S/V Alera > 1990 C&C 37+/40 > Vashon WA > P 206.463.9200 > _______________________________________________ > This List is provided by the C&C Photo Album > > Email address: > CnC-List@cnc-list.com > To change your list preferences, including unsubscribing -- go bottom of > page at: > http://cnc-list.com/mailman/listinfo/cnc-list_cnc-list.com > >
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