Hello all. I just purchased a used 2017 290 SDX and I cannot find the sea cock for the black water tank. The manual doesn’t show the location and the PO never used it.
Thanks in advance.
I have just purchased a 440 Express that has vacuflush heads. I boat in Canadian waters so do not have to keep seacock closed. I am hearing conflicting advise about whether the system will work with the seacocks open. Some have told me that if they are open, the salt water will suck in when the...