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Weathermatic - 1'' Flow Sensor Tee - SLFSI-T10

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Original price $348.45
Current price $337.13



1'' Slip Type Tee Insert Flow Sensor “ Used with the SmartLink Flow Aircard

  • Detect leaks, broken heads, lateral and main line breaks
  • User defined low/high flow limits, by zone
  • Automatic shutdown of both master and/or zone valve when flow limits are exceeded




  • Threaded retaining nut makes it easier to service in a valve box
  • The molded mounting tee provides consistent measurements and overall improved performance
  • Four bladed lightweight impeller is sensitive enough to measure lower flow rates
  • Smart electronics capable of better signal filtering
  • Affordable enough to install on nearly all new and old systems

Professional Materials

  • Impeller “ HDPE (High Density Polyethylene)
  • Shaft “ Tungsten Carbide
  • O-ring ” Buna-N
  • Saddle, Sensor Housing, Retaining Nut ” Type 1 PVC

Pressure Rating

150 PSI @ 90º F

Temperature Range

32º F to 140º F (0º to 60º C)

Output Signal

  • Frequency Range: 0.3 Hz to 200 Hz
  • Output Pulse: 5 ms +/-25%

Transducer Performance

  • Quiescent current: 600 uA@8 VDC to 35 VDC max.
  • Quiescent voltage: (VHigh)= Supply Voltage “ (600uA X Supply Impedance)
  • On State: (VLow)= Max. 1.2 VDC@50mA current limit, (10Ω +0.7VDC)

Flow Range 

  • 0.25 to 12 FPS
  • 1'' tee: 0.86 to 52 GPM

Electrical Cable

  • 2 single conductor solid copper U.L. listed #18 AWG leads with direct burial insulation
  • Lead length: 48 inches
  • Wiring may be extended up to 2,000 feet with direct burial, twisted pair shielded cable

Manuals & Literature



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