FireBoy - Xintex Pneumatic Liquid Level Monitor Threaded Sender
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FireBoy - Xintex Pneumatic Liquid Level Monitor Threaded Sender

  • 1-1/2" NPT Threaded - 9" Long
  • 12 Volt sending unit for LLM-1 and LLM-2 Tank Monitors
  • Item #: 
    Model #: 
    Shipping Weight: 
    0.55 Lbs.
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    Fireboy®-Xintex® PTS Threaded Sender


    • Designed to fit tanks with 1-1/2" NPT threaded top port
    • Sending unit for LLM-1 and LLM-2 Tank Monitors (LLM-2 requires two sending units)
    • Awarded Practical Sailor's "Best Choice" 2008
    • Newly designed Pneumatic Liquid Level Monitor Systems electronics provide high reliability and long life with zero current draw except for the short periods required for level checking
    • Senders are simple, solidly constructed units with no moving parts, thus no floats to stick
    • Available in other lengths (by Special Order) from 7 inches to 36 inches in 1 inch increments. (Part number indicates length.)

    NOTE: Not interchangeable with the WTG System Series, which are three-wire connections. (These items have two-wire hook-ups.)


    Effective Nov. 2014 - FireBoy redesigned the CG2 and MA2 Fire Extinguishing Systems, resulting in dimensional changes to the Extinguishers and Mounting Brackets.

    See the Fireboy-Xantex CG2 and MA2 Product Brochure for current product Dimensions.

    WARNING: This product MAY expose you to chemicals, which are known to the State of California to cause cancer, birth defects and/or other reproductive harm. For more information go to


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