flow meters and water too clean?

GW

I'd like to buy an electronic flow meter. It seems like an affordable model wants the water with: 100 ppm of 100 Microns in Size of Suspended Particulars or Bubbles Required

Does the typical hydronic heating system has enough stuff in it so the device would read the flow?

Thanks,

Gary

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Timco

You can buy an electric hour meter and monitor the circ for far less and much easier if it would work for you...