Wema Fuel & Water Tank Sender S3 Screw Type - 30cm 0-190ohm



High quality, stainless steel Wema fuel and water tank senders with 1 1/4" BSP thread (S3) and European 0-190 ohm resistance  Length 30cm

Over the years Wema S3 Tank Senders have been improved with advances in reed switch technology, allowing them to fit far more switches inside the senders, giving the better resolution required by modern digital displays they are the preferred choice among the world's leading boat builders

European & American Versions

There are two standard resistances, 0-190 ohm, used mainly in European gauges and 240-30 ohm used by American gauge manufacturers. It is important to pair senders and gauges must with the same resistance range. 


  • Length 30cm
  • European (0-190 ohms)
  • S3 Thread: 1 1/4” BSP (parallel)
  • Working Voltage:  12v or 24v -Sender draws power from the gauge
  • 316 stainless steel
  • IP67 waterproof rating
  • Simple to install and remove


Simply connect one wire to earth and the other wire to the sensor cable on the gauge. 




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