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Vacuflush model on 4788

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    Vacuflush model on 4788

    I have looked all through the forum and can't find what model of Vacuflush is used on a 1999 Bayliner 4788. The label on the unit behind the glass panels doesn't give model number but does give s/n 01142680. Can't cross reference that anywhere. The unit aft of the guest head doesn't have any info showing. Can someone definitively say which models are used (assumed the same) so I can order some repair kits. Don't want to order the 2" and find out I needed the 1.5" duckbill valves.
    On another note has anyone installed the 'whisper quiet' upgrade? I don't know if this was done to mine but it sure could be quieter!
    Thanks.


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    Graeme
    1999 Bayliner 4788, twin Cummins 330's
    Confirmed Aquaholic
    Newmarket, Ontario

    #2
    I'am sure you have 1 1/2 however call "MARINE SANITATION" in Seattle yes I know out of state but there extremely knowledgeable.1-800-624-9111
    Brad & Sharon
    Lady Jake
    1985 4550 EH 700TI /Twin Disc 502
    Anacortes/La Conner, Wa.

    Comment


      #3
      Graeme, take off the plastic base collar…. The model number will be on a label sticker on the base..

      Cheers
      John H
      Brisbane QLD Aust
      "Harbor-nating"

      2000 - 4788/Cummins 370's

      Comment


        #4
        My 1994 4788 has model 1006... which takes an 1 1/2 duckbill

        Comment


          #5
          I installed the motor upgrade a few years ago and it quieted them down quite a bit.

          KEVIN SANDERS
          4788 DOS PECES - SEWARD ALASKA


          Whats the weather like on the boat
          https://www.weatherlink.com/embeddab...59665f4e4/wide


          Where am I right now? https://maps.findmespot.com/s/2R02

          Comment


            #6
            Kevin
            Interested in that motor upgrade can you post info.
            Concern: how do you know when it’s cycling because a guest soft peddled? Can you hear it?
            1990 4588
            Port Hueneme Ca

            Comment


              #7
              the model on the base of the head does not translate to which vacuum generator you have. The vacuum generator is pretty plainly marked. Get that.
              Tally and Vicki
              "Wickus" Meridian 341
              MMSI 338014939

              Comment


                #8
                Originally posted by Jmason View Post
                Kevin
                Interested in that motor upgrade can you post info.
                Concern: how do you know when it’s cycling because a guest soft peddled? Can you hear it?
                1990 4588
                Port Hueneme Ca
                you can still hear it, but is is very noticeably quieter.

                KEVIN SANDERS
                4788 DOS PECES - SEWARD ALASKA


                Whats the weather like on the boat
                https://www.weatherlink.com/embeddab...59665f4e4/wide


                Where am I right now? https://maps.findmespot.com/s/2R02

                Comment


                  #9
                  Motor Upgrate...to what exactly...ya got me curious to what you have on LISAS WAY?

                  Comment


                    #10
                    Originally posted by Timicrinn View Post
                    Motor Upgrate...to what exactly...ya got me curious to what you have on LISAS WAY?
                    We have two vacuflush units circa 2001

                    I wanted to proactively maintain the units and saw tyhat they offered a "quiet motor" upgrade kit and that was what we used, along with new bellows and duckbills. That was probably three years ago.

                    KEVIN SANDERS
                    4788 DOS PECES - SEWARD ALASKA


                    Whats the weather like on the boat
                    https://www.weatherlink.com/embeddab...59665f4e4/wide


                    Where am I right now? https://maps.findmespot.com/s/2R02

                    Comment


                      #11
                      We had a motor fail in one of our vacuum generators about three years ago. At the time I just ordered a motor, and was pleasantly surprised when this new ‘quiet motor’ turned up.

                      In our case, the two vacuum generators are alongside each other, and perhaps it’s age, but they sound exactly the same to me.
                      Rob
                      Bayliner 5788
                      'Merlin V'
                      Vancouver BC

                      Comment

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