Can the GPM flow rate of a zone or circuit be monitored on the control panel?

Yes, the user can toggle the control panel arrows to the GPM indicator and will indicate the flow in gallons per minute (GPM) Adjust the zone valve accordingly to the designed flow rate for that circuit. This is a very useful feature for the installer. Also, if 240 VAC is supplied to the control panel, the installer can power up the control board and use this feature to adjust proper flow rates at time of installation.