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I Got a “Low Flow Alert” — What Should I Do?

Phyn Assistant

I Got a “Low Flow Alert” — What Should I Do?

Last updated on 26 Feb, 2026

A Low Flow Alert is sent when Phyn detects continuous, unusual water flow in your home.

By default, this alert is triggered when:

  • Water has been flowing for at least 20 minutes

  • At least 6 gallons of water have been used

How Alert Thresholds Adjust Over Time

After your device has been installed for 21 days, Phyn begins adjusting these thresholds based on your home’s normal water usage patterns.

  • Thresholds are recalculated every 24 hours based on the previous day’s usage.

  • If no water is used on a given day, thresholds will not update.

  • If your home consistently uses more water than the default threshold, the alert duration may adjust to be longer.

  • If your home consistently uses less water, the alert duration may adjust to be shorter.

This helps Phyn better tailor alerts to your household’s typical activity.


Where to View Alert Details

  1. Open the Phyn app.

  2. Tap Alerts in the top right corner.

If the alert appears under Active, water is still flowing.
If the alert appears under Resolved, the water activity has stopped. You will see when it was last detected.

For example, if a hose was left running and then turned off, the alert would move to the Resolved section.


Common Causes of a Low Flow Alert

Low Flow Alerts are often caused by minor but continuous water use, such as:

  • A dripping or partially open faucet

  • A spigot left on

  • A leaking toilet flapper causing the tank to refill continuously


What You Should Do

If you are at home:

  1. Listen carefully for running water.

  2. Visually inspect faucets, toilets, outdoor spigots, and appliances.

If you cannot find the source, you can isolate the issue using Plumbing Check.

To isolate the source:

  1. Turn off water to a specific fixture using the stop valve at that fixture.

  2. Run a Plumbing Check in the Phyn app.

  3. If the test returns normal, you have likely identified the source.

  4. If the test indicates a problem, move on to the next fixture and repeat.

If you are unable to identify the cause, consider contacting a licensed plumber.


Not a Leak? Help Phyn Learn

If you know the activity is intentional and not a leak:

  1. Tap the alert in the app.

  2. Select Tell Us at the bottom of the screen.

Providing feedback helps Phyn learn your home’s patterns and reduce similar alerts in the future.

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