Blue Sea Universal Temperature Sensor

Item Number: BS1821

Blue Sea Universal Temperature Sensor usually available 2-5 business days upon ordering.


  • Designed for sensing Raw Water Exhaust without drilling holes. Strap sensor to the outside of the pipe for accurate readings of Raw Water Exhaust temperature.
  • Multiple mounting options
  • Non-submersible IP65 – protected against jets of water
  • Wires connect in either order
  • Works will all Blue Sea Systems products that require a temperature sensor.


  • Temperature Range:-40°F to 300°F (-40°C to 150°C)
  • Wire Length:18 in (45.72 cm)
  • Wire Size:16 AWG
  • Weight:0.20lb (0.09 kg)

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