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3818 tank monitor to include waste?-gctid814950

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    3818 tank monitor to include waste?-gctid814950

    Hello brain trust!!

    Had another crappy situation. Thought my water tank was only half full and then bam, light goes on.

    Wanted to look at gauges for it so that I can see where it is at. Then I see on the water gauge on the front of the lower helm ( One you press the button and it shows you the level the water tank is at) ... there is a spot to put a second button?? Would it work to have a sender put in the tank and put the wires to that gauge?

    Thoughts?
    Craig
    Nanaimo bc
    1987 bayliner 3818
    w/ 175 Hinos no Genny, but solar to run everything!
    10ft Livingston with centre console and 15hp on davits / winch

    #2
    Personally - NO! (to the internal tank sender) Black water tanks are horrendous and I can't imagine that your is any different. If it's a plastic tank (which I imagine yours is), then use one of the external tape mounted sensors that "see" through the tank wall. Like this: http://levelguardproducts.com/marine-rv/index.php There are other ones out there, just need to look around.
    1998 Avanti 3685 - "Dad's Dream" w 454 Mercs - for sale - Dredge Harbor, NJ
    Former - "Home Aweigh" 2003 - 2452 Bayliner Cierra Classic Hardtop Cruiser
    WQQM835 MMSI: 338147209
    James H. Stradling

    Comment


      #3
      Yes to your question

      Did install this Spring and works great

      Used holding tank sender from WEMA Measure depth of your tank and order longest that will fit.

      Reason I was confident in doing this in holding tank is that installed similar tank sender from WEMA in plastic water tanks that I installed four years ago that are working great.

      The holding tank version has very nice and robust flange that through bolts to flange ring mounted inside of tank. The sending unit is installed into a thread hole in the flange that makes for easy removal and cleaning - if needed.

      Knowing the actual level is a real plus not only during the normal use - but to confirm it is empty

      RDO
      Ron O'Blenis
      B 38 175 Hinos 1989
      Completed Great Loop
      https://ronandfaye.blogspot.com/

      Comment


        #4
        I did the same thing a about 5 years ago. Used a WEMA sender as well. Use the old battery voltage selector switch as it had been replaced with a battery monitor. Works great for me.
        Sean
        1987 3870
        Crimson Pride II
        Past Commodore Mukilteo Yacht Club
        MMSI: 338080226

        Comment


          #5
          I recently installed a tank monitor for the holding tank. It used the aluminum strips for sensors on the outside of the tank. Mounted the unit at the lower helm. Very accurate, now the tankwatch system lets me know when I'm roughly over half a tank, but the the Snake River system gives an accurate level indication.

          James


          Attached files

          1989 Bayliner 3888, 175 Hinos,
          Hurth 630's Onan 8kw MDKD
          Lowrance Electronics!
          Boating on Georgian Bay & the North Channel
          Completed the Great Loop 07/25/19
          AGLCA #8340
          MTOA# 7469

          Comment


            #6
            The existing fresh water tank monitor has a drill mark and a lable saying tank 2. Could one not just hook up sensor for black water tank to the tank 2 leads on back of the meter (assuming there are separate leads).???
            Craig
            Nanaimo bc
            1987 bayliner 3818
            w/ 175 Hinos no Genny, but solar to run everything!
            10ft Livingston with centre console and 15hp on davits / winch

            Comment


              #7
              There are no Tank 2 Leads - you must run your own. It is only a label for one to be installed
              Ron O'Blenis
              B 38 175 Hinos 1989
              Completed Great Loop
              https://ronandfaye.blogspot.com/

              Comment


                #8
                Ah thanks!
                Craig
                Nanaimo bc
                1987 bayliner 3818
                w/ 175 Hinos no Genny, but solar to run everything!
                10ft Livingston with centre console and 15hp on davits / winch

                Comment


                  #9
                  I just did this but with two water tanks had to run wire from water tank 2 to panel here is the trick the original switch puts power in gauge and light so you have to do a little rewire so that when you push the tank 1or 2 button the sender wire is connected and loose the automatic light

                  Roy

                  Ketchikan Alaska
                  1988 3818
                  EH 700
                  Custom hard top enclosed

                  Comment

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