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HM Digital FM-2 Flow Sensor/Timer Filter Monitor

HM Digital FM-2 Flow Sensor/Timer Filter Monitor

Item SKU: FM-2


The HM Digital FM-2 Flow Sensor/Timer Filter Monitor is an innovative system to alert when a filter needs to be changed via colour-coded lights at the base of the faucet. It combines quality and functionality with durability for a lifetime of customer satisfaction.


  • A five-stage filter monitor with five independent timers and a tri-color LED faucet indicator disc.
  • Counts time and volume for up to five stages (can be less).
  • The LED indicator disc will illuminate a green, yellow or red light when the water is turned on. The color indicates the percentage of elapsed time and volume used.
  • Auto-Off function conserves battery power. The unit shuts off automatically after 5 minutes of non-use.
  • The timer counts down in months or days (settings can be modified).
  • The volumizer counts up in gallons or liters (settings can be modified).
  • Includes an audible alarm (beep).
  • Modern design is perfect for any kitchen.
  • Installs easily.
  • Includes the FMS-2 flow sensor.


  • Timer Range: 0-999 days/months
  • Timer Modes: Days or months (default is months)
  • Volume Range 0-99999 Gallons / Liters
  • Volume Modes: Gallons (default) or Liters
  • Volume Accuracy: +/-1% (at typical flow rates of approx. 1.5 to 2.5 LPM; low and high rates may affect accuracy)
  • Maximum Pressure: 150 psi
  • Settings: One alert per stage, up to five stages
  • Default Setting: 12 months
  • Batteries: 2 x AA (included)
  • Battery Life: approx. 18 months
  • Base Unit Dimensions: 100 x 63 23 mm (4 x 2.5 x 0.9 in)
  • Base Unit Weight: 119 g (4.2 oz.) (including batteries)
  • Flow Sensor Cable Length: 93 cm (36.6 in)
  • Flow Sensor Fitting Size: 1/4" Quick Connect
  • LED Faucet Indicator Disc: Works with any non-air gap filter faucet
  • LED Faucet Indicator Disc Cable Length: 92 cm (36.25 in)
  • LED Faucet Indicator Disc Dimensions: 4.75 (1 1/4" in.) diameter, 8 cm (5/16") high

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