I’ve been reading posts on the Flume Integration, but it’s still not clear to me how long a (in my case, large) leak can go before a HA notification is sent. From what I can tell, the Flume API limits app notifications to once every five minutes (assuming installation of a single meter). I don’t know if the integration allows one to customize / shorten that interval. I also don’t know if this binary sensor (outside the Integration) can be used shorten that interval.
In my HA installation, I have 15 water leak sensors at the usual leak source locations. There is a Zooz Z-Wave actuator that closes my main water valve when any of these sensors detect a leak. But I recently had a random PEX clamp fail on a 1" line that discharged over 5 gals/min to a location without leak detection. Fortunately, I was home and activated the Zooz valve from HA as soon as I heard the leak. I was thinking that a Flume could be used to back up the leak sensors - but if I understand correctly, I still could have discharged over 25 gallons of water before an automation would have closed the Zooz valve.
Am I understanding the notification frequency of the Flume Integration correctly…and if so, is there anything I can do to take action for a large leak more quickly?
Not rely on flume for speed of response. It’s designed for slow lingering leaks not things like this. I don’t even n think it would have gone off like that. How does it know you’re not filling a bathtub.
For this actual leak sensors also you can never eliminate damage from water but you can curb it. I your scenario stopping it at 25 is better than stopping at 250 which is better than 2500. So I’ll take stopping at 25 and isolating the damage to the immediate leak area rather than destroying two other rooms.
Also I’m setup pretty much exactly the way you are and I ignore the flume for the daily leaks…
If it goes off and it has once it’s something really bad like my water main cracking in the front yard (which required a new main instal in my side of the meter…)
I guess in my case, the leak rate (based on my eyeball observation of water cascading thru the celling) was higher than a bathtub fill (the latter being something I could limit, if I so chose). It would be useful to have a threshold, above which water shutoff occurs.
I agree that 25 gallons is useful / helpful, but neither do I believe it to be optimal. For the cost, ease of installation and working integration of the Flume, It’s still worth it for me; I just didn’t know if there as a way to make it better.