Fireboy Single Tank Liquid Level Monitor

Item Number: LLM-1

Holding tank display, round 2" gauge, for use with one (1) holding tank or one (1) fresh water tank.

Measuring marine water and holding tanks require a reliable system.

Threaded (PTS) senders easily install into plastic or metal tanks with 1-1/2 NPT threads. Flanged (PFS) senders are available for tanks without a threaded top port and utilize a five-bolt pattern for installation.


  • Simple installation.
  • Senders sold separately.
  • Easy-to-read display with five green LEDs indicating empty, , , and full.(by pressing the touch pad)
  • Xintex tanks senders use pneumatic (pressure) reading technology to accurately measure tank levels.
  • Not affected by atmospheric changes.
  • Two-wire sender connection.
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