# Shower sensor that lets me know when the shower goes on AND off (repeat)

**URL:** <https://community.homey.app/t/shower-sensor-that-lets-me-know-when-the-shower-goes-on-and-off-repeat/121857>\
**Category:** Questions & Help\
**Tags:** homey-pro\
**Created:** [November 27, 2024, 7:38pm UTC](https://community.homey.app/t/shower-sensor-that-lets-me-know-when-the-shower-goes-on-and-off-repeat/121857 "2024-11-27T19:38:10Z")\
**Posts on this page:** 1\
**Showing post:** 9

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**Author:** ![Gruijter](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/gruijter/32/1973_2.png) [@Gruijter](https://community.homey.app/u/Gruijter)\
**Post date:** [November 27, 2024, 9:30pm UTC](https://community.homey.app/t/shower-sensor-that-lets-me-know-when-the-shower-goes-on-and-off-repeat/121857/9 "2024-11-27T21:30:01Z")

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If your hot water boiler is opentherm compatible, you can use this. Been using it myself for over a year to detect showering and to control the bathroom lights and water temperature when showering takes too long 😉

> [@\[APP\]\[Pro\] OpenTherm GateWay MQTT](https://community.homey.app/t/app-pro-opentherm-gateway-mqtt/77190):
>
> Homey App Store (stable version): Homey App Store (test version): [OpenTherm Gateway MQTT App for Homey | Homey](https://homey.app/en-us/app/com.gruijter.otgw/test) There already was an app for OpenTherm GateWay, OTGW for short (many thanks for your work @nlrb !): [OpenTherm Gateway App for Homey | Homey](https://homey.app/en-us/app/com.tclcode.otgw/OpenTherm-Gateway/) I tried to install it on my new Homey Pro 2023, but that was a no-go. Installing on my older Homey did work, but the connection was somewhat unstable, and the functionality was too heavy for my application. HP2023 and MQTT support I found out …

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