# \[APP\]\[PRO\] VThermo

**URL:** https://community.homey.app/t/app-pro-vthermo/36442
**Category:** Apps
**Tags:** app
**Created:** [October 24, 2020, 12:28pm UTC](https://community.homey.app/t/app-pro-vthermo/36442 "2020-10-24T12:28:56Z")
**Posts on this page:** 1
**Showing post:** 93

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### Author: ![K\_S](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/k_s/32/11635_2.png) [@K\_S](https://community.homey.app/u/K_S)
#### Post date: [November 23, 2021, 9:22am UTC](https://community.homey.app/t/app-pro-vthermo/36442/93 "2021-11-23T09:22:28Z")

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> [@balmli](#):
>
> The purpose of VThermo is to automatically turn heaters on / off based on a temp sensor in the same zone… without flows. …And yes, the Fibaro switch/relay must be marked as a “heater”.

Thanks @balmli

I’ve tried to set it up that way, but I must have something wrong in the settings because the relay isn’t being switched by VThermo in the same zone. What is wrong in the following settings?

 ![VThermo settings](https://us1.discourse-cdn.com/flex025/uploads/athom/original/3X/1/7/17eb6d01d87b84b629b239cf7769c39733b8b78e.jpeg)

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