I bought the Govee leak detectors and paired them with a Tasmota flashed Sonoff RF Bridge 433. They’ve already saved me multiple times from leaks that would’ve gotten out of control without me being notified. The Sonoff Bridge can’t be flashed with Tasmota as readily as before but you can probably find a compatible version somewhere
THIRDREALITY Zigbee Water Leak Sensor. I got it off amazon $20 works great with ZB2MQTT I have it under my AC unit in the garage incase the drain gets plugged and condensation goes crazy. It beeps loudly when it detects water so if something is up with your HA or zigbee network, it still alerts someone. I would buy another one, prime shipping and not too expensive.
After a water heater leak I just made my own. I run my HA on a Raspberry Pi, so I connected the GPIO pins to a current-limiting resistor and some wires that I put in the drip pan of my water heater. I made the two contacts using a screw connector, and hot glued it in the pan. You can also do this with an ESP chip. Additionally, I integrated my smoke detectors through an optoisolator and connected all my hard-wired door and window sensors to the GPIO. It’s been working great this way for me.
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I bought the Govee leak detectors and paired them with a Tasmota flashed Sonoff RF Bridge 433. They’ve already saved me multiple times from leaks that would’ve gotten out of control without me being notified. The Sonoff Bridge can’t be flashed with Tasmota as readily as before but you can probably find a compatible version somewhere
I have three Perenio PECLS01. Using them for 2 years and would recommend. https://www.zigbee2mqtt.io/devices/PECLS01.html
THIRDREALITY Zigbee Water Leak Sensor. I got it off amazon $20 works great with ZB2MQTT I have it under my AC unit in the garage incase the drain gets plugged and condensation goes crazy. It beeps loudly when it detects water so if something is up with your HA or zigbee network, it still alerts someone. I would buy another one, prime shipping and not too expensive.
I have six all around my house, same setup using Z2M, haven’t had any issues
After a water heater leak I just made my own. I run my HA on a Raspberry Pi, so I connected the GPIO pins to a current-limiting resistor and some wires that I put in the drip pan of my water heater. I made the two contacts using a screw connector, and hot glued it in the pan. You can also do this with an ESP chip. Additionally, I integrated my smoke detectors through an optoisolator and connected all my hard-wired door and window sensors to the GPIO. It’s been working great this way for me.