Update water.markdown

Update water.markdown

source/_docs/energy/water.markdown

@@ -5,20 +5,29 @@ description: "Learn how to add information about your water usage to Home Assist
 
 Home Assistant allows you to track your water usage in the home energy management too.
 
-Although water is not strictly "energy", it is still a valuable resource to track and monitor as it is often tightly coupled with energy usage (like gas). Additionally, it can help you reduce your ecological footprint by using less water. 
+Although water usage is not strictly "energy", it is still a valuable resource to track and monitor as it is often tightly coupled with energy usage (like gas). Additionally, it can help you reduce your ecological footprint by using less water. 
 
 ## Hardware
 
-Home Assistant will need to know the amount of water that is being consumed in order to be able to track it. Several hardware options are available to do this. Depending on your setup, the required hardware is provided by your utility, or you may need to buy your own.
+Home Assistant will need to know the amount of water that is being consumed to be able to track usage. Several [water metering (fluid flow rate sensor device)](https://en.wikipedia.org/wiki/Water_metering) hardware options are available to do this. Depending on your setup, the required hardware is provided by your public water utility company, or you may need to buy your own. 
+
+Some hardware with water meters may also provide additional practical functions or sensors, such as example [valve](/integrations/valve)  entity (for controlling water shutoff valve) or temperature and pressure (to enable freeze alarms).
 
 We have the following integrations available for existing products that can provide information about water usage:
 
 - [Flo](/integrations/flo)
 - [Flume](/integrations/flume)
 - [HomeWizard Energy](/integrations/homewizard)
+- [P1 Monitor](/integrations/p1_monitor)
 - [StreamLabs](/integrations/streamlabswater)
 - [Suez Water](/integrations/suez_water)
 
+There are also products for water usage monitoring that are based on existing common IoT protocol standards:
+
+- [Z-Wave](/integrations/zha)
+- [Zigbee](/integrations/zha)
+- [Matter (BETA)](/integrations/matter)
+
 Alternatively, the following shops sell ESPHome-based devices, that use a proximity sensor to detect a rotating magnet in your water meter and use that pulse to count each liter of water used.
 
 - [S0tool](https://huizebruin.github.io/s0tool/) ("Made for ESPHome" approved)