Gas vapor detector for engine bilge. Siren whaling, lights lit

Discussion in 'General Discussion' started by pjv911, May 31, 2017.

  1. pjv911

    pjv911 Member

    Jan 25, 2014
    Mount Sinai Long Island Sound NY
    1998 Sundancer 330
    2016 385ci 6.3
    390hp 479 ft tq Modified Scorpions
    4V magnums
    1.5 Velvet V drives
    I just boarded my 330DA today and found my SA-1 vapor detector screaming away and both the "on/green" and "warning/red" lights lit on the controller.
    No fumes from a sniff test. I've concluded that cleaning the bilge yesterday must have let water in somewhere and shorted the system.
    Anyways my vapor detector is at least 7 years old and time to replace. For some reason this forum has little info posted in regards to vapor detectors.
    I called the manufacturer of my unit (MTI industries) and they said todays warning is the units way of saying there is a fault and it needs a full replacement (not just a sensor).
    The complete kit is only $130 directly from their website. They also told me the complete unit must be changed every 5 years.
    Anyways I would like to know if there is a better system to buy and better yet is there a system that I can put on my Nmea2000 network so I can have on screen alerts on my chartplotter.
    Now that I have heard that siren going off I honestly dont think it would be audible at 30 knots with wind whistling in my ears. I would like to see levels on a monitor that is right in front of my face as a back up plan.
  2. ArtWallach

    ArtWallach Member

    Sep 12, 2011
    Lindenhurst NY
    2000 Sea Ray 310 Sundancer
    T300hp Mercruiser Inboards
    I just replaced my original one with a new one last season. It lasted 15 years and worked great.
  3. hottoddie

    hottoddie Well-Known Member

    Jan 11, 2012
    Boston/Cape Cod
    1986 Sea Ray 390 EC
    Garmin 4212 Chartplotter
    Garmin 24 HD Radar
    Garmin 546s Plotter
    454 Crusaders
    I get false alarms on mine after it rains. I is only 4 years old and I replaced the original one because of the same issue.
  4. RollerCoastr

    RollerCoastr Well-Known Member

    Nov 15, 2007
    Cedar Point, OH / Miami, FL / MacRay Harbor, MI
    1997 400DA
    340HP 7.4 Mercruiser Bluewaters
    Garmin 741, 742, 8212, 24HD, Intellian I2
    1999 280BR
    Twin 250HP Merc 350 Alpha Ones
    I doubt we'll see an fume detector on NM2k. It would be dependent on power going to the backbone, and fueling recommendations include shutting down electronics as part of the process. It would be cool as a secondary alarm, but I would think the primary has to be a stand-alone audible alert.

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