Flushable Transmitters

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The FTP-8 flushable transmitter works in cast iron and nonmetallic lines along with septic tanks. The flushable transmitter uses the 512 Hz frequency and will work with our Digital LineFinder series along with the Ferris analog receiver.

  • Black On/Off push button
  • Floats for easy retrieval
  • Flashing LED indicates that the sonde is transmitting
  • Red LED will come on to indicate when the battery is no longer good
  • Batteries are not replaceable
  • Eyelet for easy attachment to a fishing line
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For use with Prototek’s Ardy receiver. The ATP-12 flushable transmitter transmits using the 223 KiloHertz frequency. It is your go to when locating with our Ardy receiver in nonmetallic lines and septic tanks.

  • Black On/Off push button
  • Batteries are not replaceable
  • Floats for easy retrieval
  • Flashing LED indicates that the sonde is transmitting
  • Red LED will come on to indicate when the battery is no longer good
  • Eyelet for easy attachment to a fishing line
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The HTP-15 flushable transmitter transmits using the 8 KiloHertz frequency. It is your go to when locating with our LineFinder 2200 receiver in nonmetallic lines and septic tanks. If you are locating around power lines this powerful highly efficient frequency will greatly reduce interference.

  • Black On/Off push button
  • Floats for easy retrieval
  • Flashing LED indicates that the sonde is transmitting
  • Red LED will come on to indicate when the battery is no longer good
  • Batteries are not replaceable
  • Eyelet for easy attachment to a fishing line