Sensus Iperl Water Meter Manual -

: Close and open the lid again to display the current flow rate. This will show exactly how many gallons (or cubic feet) per minute are moving through the meter at that exact second. Status and Alarm Icons

For properties with backflow preventers, the manual requires a thermal expansion tank downstream of the iPerl, as the check valve can cause pressure spikes when the water heater cycles. sensus iperl water meter manual